diff --git a/app/assets/javascripts/app/lib/app_post/utils.coffee b/app/assets/javascripts/app/lib/app_post/utils.coffee
index de84df457..4a84032a8 100644
--- a/app/assets/javascripts/app/lib/app_post/utils.coffee
+++ b/app/assets/javascripts/app/lib/app_post/utils.coffee
@@ -551,9 +551,13 @@ class App.Utils
   # format decimal
   @decimal: (data, positions = 2) ->
 
-    data = data.toString()
-
     # input validation
+    return '' if data is undefined
+    return '' if data is null
+
+    if data.toString
+      data = data.toString()
+
     return data if data is ''
     return data if data.match(/[A-z]/)
 
@@ -566,17 +570,25 @@ class App.Utils
 
     # add .00
     if !result || !result[2]
-      return "#{data}." + format(0, positions)
+      return "#{data}.#{format(0, positions)}"
     length = result[2].length
     diff = positions - length
 
     # check length, add .00
-    return "#{result[1]}." + format(result[2], positions) if diff > 0
+    return "#{result[1]}.#{format(result[2], positions)}" if diff > 0
 
     # check length, remove longer positions
     "#{result[1]}.#{result[2].substr(0,positions)}"
 
   @formatTime: (num, digits) ->
-    while num.toString().length < digits
+
+    # input validation
+    return '' if num is undefined
+    return '' if num is null
+
+    if num.toString
+      num = num.toString()
+
+    while num.length < digits
       num = '0' + num
     num
diff --git a/public/assets/tests/html-utils.js b/public/assets/tests/html-utils.js
index dee4507f2..bfc650a85 100644
--- a/public/assets/tests/html-utils.js
+++ b/public/assets/tests/html-utils.js
@@ -1,728 +1,728 @@
 window.onload = function() {
 
 // textCleanup
-test( "textCleanup", function() {
+test("textCleanup", function() {
 
   var source = "Some\nValue\n\n\nTest"
   var should = "Some\nValue\n\nTest"
-  var result = App.Utils.textCleanup( source )
-  equal( result, should, source )
+  var result = App.Utils.textCleanup(source)
+  equal(result, should, source)
 
   source = "Some\nValue\n\n \n\n\nTest"
   should = "Some\nValue\n\nTest"
-  result = App.Utils.textCleanup( source )
-  equal( result, should, source )
+  result = App.Utils.textCleanup(source)
+  equal(result, should, source)
 
   source = "Some\n\rValue\n\r\n\r\n\rTest"
   should = "Some\nValue\n\nTest"
-  result = App.Utils.textCleanup( source )
-  equal( result, should, source )
+  result = App.Utils.textCleanup(source)
+  equal(result, should, source)
 
   source = "Some\n\rValue\n\r\n\r\n\rTest\r"
   should = "Some\nValue\n\nTest"
-  result = App.Utils.textCleanup( source )
-  equal( result, should, source )
+  result = App.Utils.textCleanup(source)
+  equal(result, should, source)
 
   source = "Some\r\nValue\r\n\r\n\r\nTest\r\n"
   should = "Some\nValue\n\nTest"
-  result = App.Utils.textCleanup( source )
-  equal( result, should, source )
+  result = App.Utils.textCleanup(source)
+  equal(result, should, source)
 
   source = "Some\r\nValue\r\n\r\n\r\n\r\n\r\n\r\nTest\r\n"
   should = "Some\nValue\n\nTest"
-  result = App.Utils.textCleanup( source )
-  equal( result, should, source )
+  result = App.Utils.textCleanup(source)
+  equal(result, should, source)
 
   source = "> Welcome!\n> \n> Thank you for installing Zammad.\n> \n> You will find ..."
   should = "> Welcome!\n>\n> Thank you for installing Zammad.\n>\n> You will find ..."
-  result = App.Utils.textCleanup( source )
-  equal( result, should, source )
+  result = App.Utils.textCleanup(source)
+  equal(result, should, source)
 
 
 });
 
 // text2html
-test( "text2html", function() {
+test("text2html", function() {
 
   var source = "Some\nValue\n\n\nTest"
   var should = "<div>Some</div><div>Value</div><div><br></div><div>Test</div>"
-  var result = App.Utils.text2html( source )
-  equal( result, should, source )
+  var result = App.Utils.text2html(source)
+  equal(result, should, source)
 
   source = "Some\nValue\n"
   should = "<div>Some</div><div>Value</div>"
-  result = App.Utils.text2html( source )
-  equal( result, should, source )
+  result = App.Utils.text2html(source)
+  equal(result, should, source)
 
   source = "Some\n<b>Value</b>\n"
   should = "<div>Some</div><div>&lt;b&gt;Value&lt;/b&gt;</div>"
-  result = App.Utils.text2html( source )
-  equal( result, should, source )
+  result = App.Utils.text2html(source)
+  equal(result, should, source)
 
   source = "> Welcome!\n> \n> Thank you for installing Zammad.\n> \n> You will find ..."
   should = "<div>&gt; Welcome!</div><div>&gt;</div><div>&gt; Thank you for installing Zammad.</div><div>&gt;</div><div>&gt; You will find ...</div>"
-  result = App.Utils.text2html( source )
-  equal( result, should, source )
+  result = App.Utils.text2html(source)
+  equal(result, should, source)
 
 });
 
 // html2text
-test( "html2text", function() {
+test("html2text", function() {
 
   var source = "<div>Some</div><div>Value</div><div><br></div><div>Test</div>"
   var should = "Some\nValue\n\nTest"
-  var result = App.Utils.html2text( source )
-  equal( result, should, source )
+  var result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "<div>Some</div><div>Value</div>"
   should = "Some\nValue"
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "<div>Some<br/>Value</div>"
   should = "Some\nValue"
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "<div>Some</div><div>&lt;b&gt;Value&lt;/b&gt;</div>"
   should = "Some\n<b>Value</b>"
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "<div>&gt; Welcome!</div><div>&gt;</div><div>&gt; Thank you for installing Zammad.</div><div>&gt;</div><div>&gt; You will find ...</div>"
   should = "> Welcome!\n>\n> Thank you for installing Zammad.\n>\n> You will find ..."
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "<div>test 123 <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>--<br/>Bob Smith</div>"
   should = "test 123 \n\n--\nBob Smith"
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "test 123 <br><br><br><br><br><br><br><br><br><br><br>--<br>Bob Smith"
   should = "test 123 \n\n--\nBob Smith"
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "<div>1<br><br><br><br><br><br><br><br><br><br></div><div>Von: Martin Edenhofer via Znuny Support [<a href=\"mailto:support@znuny.inc\" title=\"mailto:support@znuny.inc\" target=\"_blank\">mailto:support@znuny.inc</a>]</div>\n<div>Gesendet: Donnerstag, 2. April 2015 11:32</div>"
   should = "1\n\nVon: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]\nGesendet: Donnerstag, 2. April 2015 11:32"
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 
   source = "<div>test 123<br/>lalala<p>--</p>some test</div>"
   should = "test 123\nlalala\n--\nsome test"
-  result = App.Utils.html2text( source )
-  equal( result, should, source )
+  result = App.Utils.html2text(source)
+  equal(result, should, source)
 });
 
 // linkify
-test( "linkify", function() {
+test("linkify", function() {
 
   var source = "http://example.com"
   var should = '<a href="http://example.com" title="http://example.com" target="_blank">http://example.com</a>'
-  var result = App.Utils.linkify( source )
-  equal( result, should, source )
+  var result = App.Utils.linkify(source)
+  equal(result, should, source)
 
   source = "http://example.com?some_param=lalala"
   should = '<a href="http://example.com?some_param=lalala" title="http://example.com?some_param=lalala" target="_blank">http://example.com?some_param=lalala</a>'
-  result = App.Utils.linkify( source )
-  equal( result, should, source )
+  result = App.Utils.linkify(source)
+  equal(result, should, source)
 
   source = "example.com"
   should = '<a href="http://example.com" title="http://example.com" target="_blank">example.com</a>'
-  result = App.Utils.linkify( source )
-  equal( result, should, source )
+  result = App.Utils.linkify(source)
+  equal(result, should, source)
 
   source = "some text example.com"
   should = 'some text <a href="http://example.com" title="http://example.com" target="_blank">example.com</a>'
-  result = App.Utils.linkify( source )
-  equal( result, should, source )
+  result = App.Utils.linkify(source)
+  equal(result, should, source)
 
   source = "example.com some text"
   should = '<a href="http://example.com" title="http://example.com" target="_blank">example.com</a> some text'
-  result = App.Utils.linkify( source )
-  equal( result, should, source )
+  result = App.Utils.linkify(source)
+  equal(result, should, source)
 
 
   /*
   source = "<b>example.com</b>"
   should = '<b><a href="http://example.com" title="http://example.com" target="_blank">http://example.com</a></b>'
-  result = App.Utils.linkify( source )
-  equal( result, should, source )
+  result = App.Utils.linkify(source)
+  equal(result, should, source)
   */
 
 });
 
 // htmlEscape
-test( "htmlEscape", function() {
+test("htmlEscape", function() {
 
   var source = "<"
   var should = "&lt;"
-  var result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  var result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = ">"
   should = "&gt;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = "&"
   should = "&amp;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = "&amp;"
   should = "&amp;amp;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = "&amp ;"
   should = "&amp;amp ;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = "& amp;"
   should = "&amp; amp;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = "'test'"
   should = "&#39;test&#39;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = '"test"'
   should = "&quot;test&quot;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = "<>"
   should = "&lt;&gt;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
   source = "<&lt;>"
   should = "&lt;&amp;lt;&gt;"
-  result = App.Utils.htmlEscape( source )
-  equal( result, should, source )
+  result = App.Utils.htmlEscape(source)
+  equal(result, should, source)
 
 });
 
 // htmlRemoveTags
-test( "htmlRemoveTags", function() {
+test("htmlRemoveTags", function() {
 
   var source = "<div>test</div>"
   //var should = "<div>test</div>"
   var should = "test"
-  var result = App.Utils.htmlRemoveTags( $(source) )
-  equal( result.html(), should, source )
+  var result = App.Utils.htmlRemoveTags($(source))
+  equal(result.html(), should, source)
 
   source = "<div>test<!-- some comment --></div>"
   //should = "<div>test</div>"
   should = "test"
-  result = App.Utils.htmlRemoveTags( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveTags($(source))
+  equal(result.html(), should, source)
 
   source = "<a href=\"some_link\">some link to somewhere</a>"
   should = "some link to somewhere"
-  result = App.Utils.htmlRemoveTags( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveTags($(source))
+  equal(result.html(), should, source)
 
   source = "<div><a href=\"some_link\">some link to somewhere</a></div>"
   //should = "<div>some link to somewhere</div>"
   should = "some link to somewhere"
-  result = App.Utils.htmlRemoveTags( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveTags($(source))
+  equal(result.html(), should, source)
 
   source = "<div><a href=\"some_link\">some link to somewhere</a><input value=\"should not be shown\"></div>"
   //should = "<div>some link to somewhere</div>"
   should = "some link to somewhere"
-  result = App.Utils.htmlRemoveTags( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveTags($(source))
+  equal(result.html(), should, source)
 
   source = "<div><a href=\"some_link\">some link to somewhere</a> <div><hr></div> <span>123</span> <img src=\"some_image\"/></div>"
   //should = "<div>some link to somewhere  123 </div>"
   should = "some link to somewhere  123 "
-  result = App.Utils.htmlRemoveTags( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveTags($(source))
+  equal(result.html(), should, source)
 
   source = "<div><form class=\"xxx\">test 123</form></div>"
   //should = "<div>test 123</div>"
   should = "test 123"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><textarea class=\"xxx\">test 123</textarea></div>"
   //should = "<div>test 123</div>"
   should = "test 123"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><font size=\"3\" color=\"red\">This is some text!</font></div>"
   //should = "<div>This is some text!</div>"
   should = "This is some text!"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 });
 
 // htmlRemoveRichtext
-test( "htmlRemoveRichtext", function() {
+test("htmlRemoveRichtext", function() {
 
   var source = "<div><!--test comment--><a href=\"test\">test</a></div>"
   //var should = "<div>test</div>"
   var should = "test"
-  var result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  var result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><!--[if !supportLists]--><span lang=\"DE\">1.1.1<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><!--[endif]--><span lang=\"DE\">Description</span></div>"
   //should = "<div><span>1.1.1<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span>Description</span></div>"
   should = "<span>1.1.1<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span>Description</span>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<a href=\"some_link\">some link to somewhere</a>"
   should = "some link to somewhere"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><a href=\"some_link\"></a> test </div>"
   //should = "<div> test </div>"
   should = " test "
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><b></b> test </div>"
   //should = "<div> test </div>"
   should = " test "
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><div><b></b> test </div></div>"
   //should = "<div><div> test </div></div>"
   should = "<div> test </div>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><div><b></b> test <input value=\"should not be shown\"></div></div>"
   //should = "<div><div> test </div></div>"
   should = "<div> test </div>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><div><b></b> test </div><span>123</span></div>"
   //should = "<div><div> test </div><span>123</span></div>"
   should = "<div> test </div><span>123</span>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><div class=\"xxx\" title=\"some title\" lang=\"en\"><b></b> test </div></div>"
   //should = "<div><div> test </div></div>"
   should = "<div> test </div>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><textarea class=\"xxx\"> test </textarea></div>"
   //should = "<div> test </div>"
   should = " test "
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><br></div>"
   //should = "<div><br></div>"
   should = "<br>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><div class=\"xxx\"><br></div></div>"
   //should = "<div><div><br></div></div>"
   should = "<div><br></div>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><form class=\"xxx\">test 123</form></div>"
   //should = "<div>test 123</div>"
   should = "test 123"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><font size=\"3\" color=\"red\">This is some text!</font></div>"
   //should = "<div>This is some text!</div>"
   should = "This is some text!"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
 });
 
 // htmlCleanup
-test( "htmlCleanup", function() {
+test("htmlCleanup", function() {
 
   var source = "<div><!--test comment--><a href=\"test\">test</a></div>"
   //var should = "<div>test</div>"
   var should = "test"
-  var result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  var result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
   source = "<a href=\"some_link\">some link to somewhere</a>"
   should = "some link to somewhere"
-  result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
   source = "<div><h1>some link to somewhere</h1></div>"
   //should = "<div><div>some link to somewhere</div></div>"
   should = "<div>some link to somewhere</div>"
-  result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
   source = "<div><small>some link to somewhere</small></a>"
   //should = "<div>some link to somewhere</div>"
   should = "some link to somewhere"
-  result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
   source = "<div><time>some link to somewhere</time></a>"
   //should = "<div>some link to somewhere</div>"
   should = "some link to somewhere"
-  result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
   source = "<div><h1>some h1 for somewhere</h1><p><hr></p></div>"
   //should = "<div><div>some h1 for somewhere</div><p></p><p></p></div>"
   should = "<div>some h1 for somewhere</div><p></p><p></p>"
-  result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
   source = "<div><br></div>"
   //should = "<div><br></div>"
   should = "<br>"
-  result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
   source = "<div><div class=\"xxx\"><br></div></div>"
   //should = "<div><div><br></div></div>"
   should = "<div><br></div>"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><form class=\"xxx\">test 123</form></div>"
   //should = "<div>test 123<br></div>"
   should = "test 123"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><form class=\"xxx\">test 123</form> some other value</div>"
   //should = "<div>test 123 some other value</div>"
   should = "test 123 some other value"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><form class=\"xxx\">test 123</form> some other value<input value=\"should not be shown\"></div>"
   //should = "<div>test 123 some other value</div>"
   should = "test 123 some other value"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><font size=\"3\" color=\"red\">This is some text!</font></div>"
   //should = "<div>This is some text!</div>"
   should = "This is some text!"
-  result = App.Utils.htmlRemoveRichtext( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlRemoveRichtext($(source))
+  equal(result.html(), should, source)
 
   source = "<div><p>some link to somewhere from word<w:sdt>abc</w:sdt></p><o:p></o:p></a>"
   should = "<div><p>some link to somewhere from wordabc</p></div>"
-  result = App.Utils.htmlCleanup( $(source) )
-  equal( result.html(), should, source )
+  result = App.Utils.htmlCleanup($(source))
+  equal(result.html(), should, source)
 
 });
 
 // wrap
-test( "wrap", function() {
+test("wrap", function() {
 
   var source = "some text"
   var should = 'some text'
-  var result = App.Utils.wrap( source )
-  equal( result, should, source )
+  var result = App.Utils.wrap(source)
+  equal(result, should, source)
 
   source = "some text\nsome other text\n"
   should = "some text\nsome other text\n"
-  result = App.Utils.wrap( source )
-  equal( result, should, source )
+  result = App.Utils.wrap(source)
+  equal(result, should, source)
 
   source = "some text with some line to wrap"
   should = "some text with\nsome line to\nwrap"
-  result = App.Utils.wrap( source, 14 )
-  equal( result, should, source )
+  result = App.Utils.wrap(source, 14)
+  equal(result, should, source)
 
   source = "some text\nsome other text\n"
   should = "some text\nsome other text\n"
-  result = App.Utils.wrap( source )
-  equal( result, should, source )
+  result = App.Utils.wrap(source)
+  equal(result, should, source)
 
   source = "1234567890 1234567890 1234567890 1234567890"
   should = "1234567890 1234567890 1234567890 1234567890"
-  result = App.Utils.wrap( source )
-  equal( result, should, source )
+  result = App.Utils.wrap(source)
+  equal(result, should, source)
 
   source = "123456789012 123456789012 123456789012"
   should = "123456789012\n123456789012\n123456789012"
-  result = App.Utils.wrap( source, 14 )
-  equal( result, should, source )
+  result = App.Utils.wrap(source, 14)
+  equal(result, should, source)
 
 });
 
 // quote
-test( "quote", function() {
+test("quote", function() {
 
   var source = "some text"
   var should = '> some text'
-  var result = App.Utils.quote( source )
-  equal( result, should, source )
+  var result = App.Utils.quote(source)
+  equal(result, should, source)
 
   source = "some text\nsome other text\n"
   should = "> some text\n> some other text"
-  result = App.Utils.quote( source )
-  equal( result, should, source )
+  result = App.Utils.quote(source)
+  equal(result, should, source)
 
   source = "\n\nsome text\nsome other text\n \n"
   should = "> some text\n> some other text"
-  result = App.Utils.quote( source )
-  equal( result, should, source )
+  result = App.Utils.quote(source)
+  equal(result, should, source)
 
   source = "Welcome!\n\nThank you for installing Zammad.\n\nYou will find ..."
   should = "> Welcome!\n>\n> Thank you for installing Zammad.\n>\n> You will find ..."
-  result = App.Utils.quote( source )
-  equal( result, should, source )
+  result = App.Utils.quote(source)
+  equal(result, should, source)
 
 
   source = "Welcome! Thank you for installing Zammad. You will find ..."
   should = "> Welcome! Thank you\n> for installing\n> Zammad. You will\n> find ..."
-  result = App.Utils.quote( source, 20 )
-  equal( result, should, source )
+  result = App.Utils.quote(source, 20)
+  equal(result, should, source)
 
 
 });
 
 // check signature
-test( "check signature", function() {
+test("check signature", function() {
 
   var message   = "<div>test 123 </div>"
   var signature = '<div>--<br>Some Signature<br>some department</div>'
-  var result    = App.Utils.signatureCheck( message, signature )
-  equal( result, true )
+  var result    = App.Utils.signatureCheck(message, signature)
+  equal(result, true)
 
   message   = "<div>test 123 <div>--<br>Some Signature<br>some department\n</div></div>"
   signature = '<div>--<br>Some Signature<br>some department</div>'
-  result    = App.Utils.signatureCheck( message, signature )
-  equal( result, false )
+  result    = App.Utils.signatureCheck(message, signature)
+  equal(result, false)
 
   message   = "<div>test 123 <div>--<br>Some Signature\n<br>some department\n</div></div>"
   signature = '<div>--<br>Some Signature<br>some department</div>'
-  result    = App.Utils.signatureCheck( message, signature )
-  equal( result, false )
+  result    = App.Utils.signatureCheck(message, signature)
+  equal(result, false)
 
   message   = "<div>test 123 <div>--<p>Some Signature</p>\n<p><div>some department</div>\n</p>\n</div></div>"
   signature = '<div>--<br>Some Signature<br>some department</div>'
-  result    = App.Utils.signatureCheck( message, signature )
-  equal( result, false )
+  result    = App.Utils.signatureCheck(message, signature)
+  equal(result, false)
 
   message   = ""
   signature = '<div>--<br>Some Signature<br>some department</div>'
-  result    = App.Utils.signatureCheck( message, signature )
-  equal( result, true )
+  result    = App.Utils.signatureCheck(message, signature)
+  equal(result, true)
 
   message   = ""
   signature = "--\nSome Signature\nsome department"
-  result    = App.Utils.signatureCheck( message, signature )
-  equal( result, true )
+  result    = App.Utils.signatureCheck(message, signature)
+  equal(result, true)
 
 });
 
 // identify signature
-test( "identify signature", function() {
+test("identify signature", function() {
 
   var message = "<div>test 123 </div>"
   var should  = '<div>test 123 </div>'
-  var result  = App.Utils.signatureIdentify( message )
-  equal( result, should )
+  var result  = App.Utils.signatureIdentify(message)
+  equal(result, should)
 
   message = "<div>test 123 <br/>--<br/>Bob Smith</div>"
   should  = '<div>test 123 <br/>--<br/>Bob Smith</div>'
-  result  = App.Utils.signatureIdentify( message )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message)
+  equal(result, should)
 
   message = "<div>test 123 <br/>1<br/>2<br/>3<br/>4<br/>5<br/>6<br/>7<br/>8<br/>9<br/><br/>--<br/>Bob Smith</div>"
   should  = '<div>test 123 <br/>1<br/>2<br/>3<br/>4<br/>5<br/>6<br/>7<br/>8<br/>9<br/><br/><span class="js-signatureMarker"></span>--<br/>Bob Smith</div>'
-  result  = App.Utils.signatureIdentify( message )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--no not match--<br/>--<br/>Bob Smith</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><span class="js-signatureMarker"></span>--<br/>Bob Smith</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--no not match--<br/> -- <br/>Bob Smith</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><span class="js-signatureMarker"></span> -- <br/>Bob Smith</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--<br/>Bob Smith<br/><br/><br/><br/><br/>--<br/>Bob Smith</div>"
   should  = '<div>test 123 <br/><br/><span class="js-signatureMarker"></span>--<br/>Bob Smith<br/><br/><br/><br/><br/>--<br/>Bob Smith</div>'
   //should  = '<div>test 123 <br><br><br><br><br><br><br><br><br><br><br><span class="js-signatureMarker"></span>--<br>Bob Smith<br/><br/><br/><br/><br/>--<br/>Bob Smith</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123</div><div>test 123</div><div>--</div><div>Bob Smith</div>"
   should  = "<div>test 123</div><div>test 123</div><div><span class=\"js-signatureMarker\"></span>--</div><div>Bob Smith</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<p><span>test 123</span></p><p><span>test 123</span></p><p><span>--</span></p><p><span>Bob Smith</span></p><div></div>"
   should  = "<p><span>test 123</span></p><p><span>test 123</span></p><p><span><span class=\"js-signatureMarker\"></span>--</span></p><p><span>Bob Smith</span></p><div></div>"
-  result  = App.Utils.signatureIdentify( message, true )
+  result  = App.Utils.signatureIdentify(message, true)
 
   // apple
   // en
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>On 01/04/15 10:55, Bob Smith wrote:<br/>lalala<p>--</p>some test</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>On 01/04/15 10:55, Bob Smith wrote:<br/>lalala<p>--</p>some test</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // de
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>Am 03.04.2015 um 20:58 schrieb Bob Smith &lt;bob@example.com&gt;:<br/>lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>Am 03.04.2015 um 20:58 schrieb Bob Smith &lt;bob@example.com&gt;:<br/>lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // ms
   // en
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>From: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Sent: Donnerstag, 2. April 2015 10:00<br/>lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>From: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Sent: Donnerstag, 2. April 2015 10:00<br/>lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>From: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Sent: Donnerstag, 2. April 2015 10:00<br/>Subject: lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>From: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Sent: Donnerstag, 2. April 2015 10:00<br/>Subject: lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>From: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Sent: Donnerstag, 2. April 2015 10:00<br/>1<br/>2<br/>3<br/>4<br/>4<br/>Subject: lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>From: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Sent: Donnerstag, 2. April 2015 10:00<br/>1<br/>2<br/>3<br/>4<br/>4<br/>Subject: lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // de
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>Von: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Gesendet: Donnerstag, 2. April 2015 10:00<br/>Betreff: lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>Von: Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Gesendet: Donnerstag, 2. April 2015 10:00<br/>Betreff: lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>1<br><br></div><div>Von: Martin Edenhofer via Znuny Support [<a href=\"mailto:support@znuny.inc\" title=\"mailto:support@znuny.inc\" target=\"_blank\">mailto:support@znuny.inc</a>]</div>\n<div>Gesendet: Donnerstag, 2. April 2015 11:32</div>"
   should  = "<div>1<br><br></div><div>Von: Martin Edenhofer via Znuny Support [<a href=\"mailto:support@znuny.inc\" title=\"mailto:support@znuny.inc\" target=\"_blank\">mailto:support@znuny.inc</a>]</div>\n<div>Gesendet: Donnerstag, 2. April 2015 11:32</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>1<br><br></div><div>Von: Martin Edenhofer via Znuny Support [<a href=\"mailto:support@znuny.inc\" title=\"mailto:support@znuny.inc\" target=\"_blank\">mailto:support@znuny.inc</a>]</div>\n<div>Gesendet: Donnerstag, 2. April 2015 11:32</div><div>Betreff: lalala</div>"
   should  = "<div>1<br><br></div><div><span class=\"js-signatureMarker\"></span>Von: Martin Edenhofer via Znuny Support [<a href=\"mailto:support@znuny.inc\" title=\"mailto:support@znuny.inc\" target=\"_blank\">mailto:support@znuny.inc</a>]</div>\n<div>Gesendet: Donnerstag, 2. April 2015 11:32</div><div>Betreff: lalala</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>1<br><br></div><div>Von: Martin Edenhofer via Znuny Support &lt;<a href=\"mailto:support@znuny.inc\" title=\"mailto:support@znuny.inc\" target=\"_blank\">mailto:support@znuny.inc</a>&gt;</div>\n<div>An: somebody</div><div>Datum: Donnerstag, 2. April 2015 11:32</div><div>Betreff: lalala</div>"
   should  = "<div>1<br><br></div><div><span class=\"js-signatureMarker\"></span>Von: Martin Edenhofer via Znuny Support &lt;<a href=\"mailto:support@znuny.inc\" title=\"mailto:support@znuny.inc\" target=\"_blank\">mailto:support@znuny.inc</a>&gt;</div>\n<div>An: somebody</div><div>Datum: Donnerstag, 2. April 2015 11:32</div><div>Betreff: lalala</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>Von: \"Johannes Nickel via Znuny Projects\" &lt;<a href=\"mailto:projects@znuny.inc\" title=\"mailto:projects@znuny.inc\">projects@znuny.inc</a>&gt;</div><div>An: \"Lisa Smith\" &lt;<a href=\"mailto:lisa.smith@example.com\" title=\"mailto:lisa.smith@example.com\">lisa.smith@example.com</a>&gt;</div><div>Gesendet: Donnerstag, 2. April 2015 10:11:12</div><div>Betreff: Angebot Redundanz / Paket mit Silver Subscription [Ticket#424242]</div><div><br></div><div>Hallo Frau Smith,</div>"
   should  = "<div><span class=\"js-signatureMarker\"></span>Von: \"Johannes Nickel via Znuny Projects\" &lt;<a href=\"mailto:projects@znuny.inc\" title=\"mailto:projects@znuny.inc\">projects@znuny.inc</a>&gt;</div><div>An: \"Lisa Smith\" &lt;<a href=\"mailto:lisa.smith@example.com\" title=\"mailto:lisa.smith@example.com\">lisa.smith@example.com</a>&gt;</div><div>Gesendet: Donnerstag, 2. April 2015 10:11:12</div><div>Betreff: Angebot Redundanz / Paket mit Silver Subscription [Ticket#424242]</div><div><br></div><div>Hallo Frau Smith,</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // fr
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>De : Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Envoyé : mercredi 29 avril 2015 17:31<br/>Objet : lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>De : Martin Edenhofer via Znuny Support [mailto:support@znuny.inc]<br/>Envoyé : mercredi 29 avril 2015 17:31<br/>Objet : lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
 
   // thunderbird
   // de
   message = "<div><br></div><div>Viele Grüße,</div><div>Christian</div><div><br></div><div>Am 04.03.2015 um 12:47 schrieb Martin Edenhofer via Znuny Sales:</div><div>&gt; Hallo Christian,</div>"
   should  = "<div><br></div><div>Viele Grüße,</div><div>Christian</div><div><br></div><div><span class=\"js-signatureMarker\"></span>Am 04.03.2015 um 12:47 schrieb Martin Edenhofer via Znuny Sales:</div><div>&gt; Hallo Christian,</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // en - Thunderbird default - http://kb.mozillazine.org/Reply_header_settings
   message = "<div><br></div><div>Viele Grüße,</div><div>Christian</div><div><br></div><div>On 01-01-2007 11:00 AM, Alf Aardvark wrote:</div><div>&gt; Hallo Christian,</div>"
   should  = "<div><br></div><div>Viele Grüße,</div><div>Christian</div><div><br></div><div><span class=\"js-signatureMarker\"></span>On 01-01-2007 11:00 AM, Alf Aardvark wrote:</div><div>&gt; Hallo Christian,</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // en - http://kb.mozillazine.org/Reply_header_settings
   message = "<div><br></div><div>Viele Grüße,</div><div>Christian</div><div><br></div><div>Alf Aardvark wrote, on 01-01-2007 11:00 AM:</div><div>&gt; Hallo Christian,</div>"
   should  = "<div><br></div><div>Viele Grüße,</div><div>Christian</div><div><br></div><div><span class=\"js-signatureMarker\"></span>Alf Aardvark wrote, on 01-01-2007 11:00 AM:</div><div>&gt; Hallo Christian,</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // otrs
   // en
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>01/04/15 10:55 - Bob Smith wrote:<br/>lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>01/04/15 10:55 - Bob Smith wrote:<br/>lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // de
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>01/04/15 10:55 - Bob Smith schrieb:<br/>lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>01/04/15 10:55 - Bob Smith schrieb:<br/>lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/></div><div>24.02.2015 14:20 - Roy Kaldung via Znuny Sales schrieb: &nbsp;</div>"
   should  = "<div>test 123 <br/><br/></div><div><span class=\"js-signatureMarker\"></span>24.02.2015 14:20 - Roy Kaldung via Znuny Sales schrieb: &nbsp;</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // zammad
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><div data-signature=\"true\" data-signature-id=\"5\">lalala</div></div>"
   should  = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class=\"js-signatureMarker\"></span><div data-signature=\"true\" data-signature-id=\"5\">lalala</div></div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><blockquote type=\"cite\">lalala</blockquote></div>"
   should  = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class=\"js-signatureMarker\"></span><blockquote type=\"cite\">lalala</blockquote></div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // gmail
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><blockquote class=\"ecxgmail_quote\">lalala</blockquote></div>"
   should  = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class=\"js-signatureMarker\"></span><blockquote class=\"ecxgmail_quote\">lalala</blockquote></div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><blockquote class=\"gmail_quote\">lalala</blockquote></div>"
   should  = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class=\"js-signatureMarker\"></span><blockquote class=\"gmail_quote\">lalala</blockquote></div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>Am 24. Dezember 2015 um 07:45 schrieb kathrine &lt;kathrine@example.com&gt;:<br/>lalala</div>"
   should = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class=\"js-signatureMarker\"></span>Am 24. Dezember 2015 um 07:45 schrieb kathrine &lt;kathrine@example.com&gt;:<br/>lalala</div>"
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // word 14
   // en
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>Bob Smith wrote:<br/>lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>Bob Smith wrote:<br/>lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
   // de
   message = "<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/>Bob Smith schrieb:<br/>lalala</div>"
   should  = '<div>test 123 <br/><br/>--no not match--<br/><br/>Bob Smith<br/><span class="js-signatureMarker"></span>Bob Smith schrieb:<br/>lalala</div>'
-  result  = App.Utils.signatureIdentify( message, true )
-  equal( result, should )
+  result  = App.Utils.signatureIdentify(message, true)
+  equal(result, should)
 
 });
 
 // replace tags
-test( "check replace tags", function() {
+test("check replace tags", function() {
 
   var message = "<div>#{user.firstname} #{user.lastname}</div>"
   var result  = '<div>Bob Smith</div>'
@@ -732,8 +732,8 @@ test( "check replace tags", function() {
       lastname:  'Smith',
     },
   }
-  var verify = App.Utils.replaceTags( message, data )
-  equal( verify, result )
+  var verify = App.Utils.replaceTags(message, data)
+  equal(verify, result)
 
   message = "<div>#{user.firstname} #{user.lastname}</div>"
   result  = '<div>Bob Smith</div>'
@@ -743,8 +743,8 @@ test( "check replace tags", function() {
       lastname:  function() { return 'Smith' },
     },
   }
-  verify = App.Utils.replaceTags( message, data )
-  equal( verify, result )
+  verify = App.Utils.replaceTags(message, data)
+  equal(verify, result)
 
   message = "<div>#{user.firstname} #{user.lastname}</div>"
   result  = '<div>Bob </div>'
@@ -753,129 +753,129 @@ test( "check replace tags", function() {
       firstname: 'Bob',
     },
   }
-  verify = App.Utils.replaceTags( message, data )
-  equal( verify, result )
+  verify = App.Utils.replaceTags(message, data)
+  equal(verify, result)
 
 });
 
 // check if last line is a empty line
-test( "check if last line is a empty line", function() {
+test("check if last line is a empty line", function() {
 
   var message = "123"
   var result  = false
-  var verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  var verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<div>123</div>"
   result  = false
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<p><div>123 </div></p>"
   result  = false
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<div></div>"
   result  = true
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<div class=\"some_class\"></div>"
   result  = true
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<div class=\"some_class\"></div>  "
   result  = true
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<div class=\"some_class\"></div>  \n  \n\t"
   result  = true
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<div class=\"some_class\">  </div>  \n  \n\t"
   result  = true
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
   message = "<div class=\"some_class\"\n>  \n</div>  \n  \n\t"
   result  = true
-  verify  = App.Utils.lastLineEmpty( message )
-  equal( verify, result, message )
+  verify  = App.Utils.lastLineEmpty(message)
+  equal(verify, result, message)
 
 
 });
 
 // check attibute validation
-test( "check attibute validation", function() {
+test("check attibute validation", function() {
 
   var string = '123'
-  var result  = '123'
-  var verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  var result = '123'
+  var verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = '123!'
-  result  = '123'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = '123'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = '12 3!'
-  result  = '123'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = '123'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = '12-3!'
-  result  = '12-3'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = '12-3'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = '12_3!'
-  result  = '12_3'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = '12_3'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = '^12_3!'
-  result  = '12_3'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = '12_3'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = '^1\n 2_3!'
-  result  = '12_3'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = '12_3'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = 'abc?'
-  result  = 'abc'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = 'abc'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = 'abc."'
-  result  = 'abc'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = 'abc'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = '#abc!^'
-  result  = 'abc'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = 'abc'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = 'abc()=$'
-  result  = 'abc'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = 'abc'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
   string = "abc()=$\n123\rß"
-  result  = 'abc123'
-  verify  = App.Utils.htmlAttributeCleanup( string )
-  equal( verify, result, string )
+  result = 'abc123'
+  verify = App.Utils.htmlAttributeCleanup(string)
+  equal(verify, result, string)
 
 });
 
 // check form diff
-test( "check form diff", function() {
+test("check form diff", function() {
 
   var dataNow = {
      owner_id:     1,
@@ -886,8 +886,8 @@ test( "check form diff", function() {
      pending_date: '2015-01-28T09:39:00Z',
   }
   var diff = {}
-  var result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  var result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -899,8 +899,8 @@ test( "check form diff", function() {
      pending_date: '2015-01-28T09:39:00Z',
   }
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -911,8 +911,8 @@ test( "check form diff", function() {
      pending_date: '2015-01-28T09:39:00Z',
   }
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -925,8 +925,8 @@ test( "check form diff", function() {
   diff = {
     owner_id: '',
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -938,8 +938,8 @@ test( "check form diff", function() {
     owner_id:  '',
     state_ids: ['1','5','6','7'],
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -951,8 +951,8 @@ test( "check form diff", function() {
     state_ids: [1,5,6,7],
   }
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -966,8 +966,8 @@ test( "check form diff", function() {
     owner_id:  '',
     state_ids: ['6'],
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -979,8 +979,8 @@ test( "check form diff", function() {
     state_ids: [1,5,6,7],
   }
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -994,8 +994,8 @@ test( "check form diff", function() {
   diff = {
     owner_id: ''
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1010,8 +1010,8 @@ test( "check form diff", function() {
     state_id:     '4',
     pending_time: '2015-01-28T11:34:00Z'
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1021,8 +1021,8 @@ test( "check form diff", function() {
     pending_time: null
   }
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1036,8 +1036,8 @@ test( "check form diff", function() {
     },
   }
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1053,8 +1053,8 @@ test( "check form diff", function() {
     },
   }
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1064,8 +1064,8 @@ test( "check form diff", function() {
   diff = {
     test: '123',
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1077,8 +1077,8 @@ test( "check form diff", function() {
   diff = {
     test: '123',
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1093,8 +1093,8 @@ test( "check form diff", function() {
   diff = {
     test: '123',
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1106,8 +1106,8 @@ test( "check form diff", function() {
   diff = {
     test: ['1','2','3','4']
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1125,8 +1125,8 @@ test( "check form diff", function() {
       2: '2',
     }
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {
@@ -1143,23 +1143,23 @@ test( "check form diff", function() {
   diff = {
     test: '123',
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = undefined
   dataLast = undefined
 
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 
   dataNow = {}
   dataLast = {"number":"10012","title":"some subject 123äöü","group_id":1,"owner_id":1,"customer_id":2,"state_id":3,"priority_id":2,"article":{"from":"Test Master Agent","to":"","cc":"","body":"dasdad","content_type":"text/html","ticket_id":12,"type_id":9,"sender_id":1,"internal":false,"form_id":"523405147"},"updated_at":"2015-01-29T09:22:23.000Z","pending_time":"2015-01-28T22:22:00.000Z","id":12}
   diff = {}
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
   // do not compare content of data instances/objects
   no = function test_object() {
@@ -1185,9 +1185,8 @@ test( "check form diff", function() {
   diff = {
     number:'10013',
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
-
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
   dataNow = {
     number:'10013',
@@ -1202,65 +1201,93 @@ test( "check form diff", function() {
     number:'10013',
     Article: ['2'],
   }
-  result = App.Utils.formDiff( dataNow, dataLast )
-  deepEqual( result, diff, 'check form diff' );
-
+  result = App.Utils.formDiff(dataNow, dataLast)
+  deepEqual(result, diff, 'check form diff')
 
 });
 
 // check decimal format
-test( "check decimal format", function() {
+test("check decimal format", function() {
 
   var string = '123'
-  var result  = '123.00'
-  var verify  = App.Utils.decimal( string )
-  equal( verify, result, string )
+  var result = '123.00'
+  var verify = App.Utils.decimal(string)
+  equal(verify, result, string)
 
   string = '0.6'
-  result  = '0.60'
-  verify  = App.Utils.decimal( string )
-  equal( verify, result, string )
+  result = '0.60'
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
 
   string = '6'
-  result  = '6.00'
-  verify  = App.Utils.decimal( string )
-  equal( verify, result, string )
+  result = '6.00'
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
 
   string = 6.5
-  result  = '6.50'
-  verify  = App.Utils.decimal( string )
-  equal( verify, result, string )
+  result = '6.50'
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
 
   string = '111111.6'
-  result  = '111111.60'
-  verify  = App.Utils.decimal( string )
-  equal( verify, result, string )
+  result = '111111.60'
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
 
   string = '111111.622'
-  result  = '111111.62'
-  verify  = App.Utils.decimal( string )
-  equal( verify, result, string )
+  result = '111111.62'
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
 
   string = 'abc.6'
-  result  = 'abc.6'
-  verify  = App.Utils.decimal( string )
-  equal( verify, result, string )
+  result = 'abc.6'
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
+
+  string = ''
+  result = ''
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
+
+  string = undefined
+  result = ''
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
+
+  string = null
+  result = ''
+  verify = App.Utils.decimal(string)
+  equal(verify, result, string)
 
 });
 
 // check formatTime format
-test( "check formatTime format", function() {
+test("check formatTime format", function() {
 
   var string = '123'
-  var result  = '123'
-  var verify  = App.Utils.formatTime( string, 0 )
-  equal( verify, result, string )
+  var result = '123'
+  var verify = App.Utils.formatTime(string, 0)
+  equal(verify, result, string)
 
   string = '6'
-  result  = '06'
-  verify  = App.Utils.formatTime( string, 2 )
-  equal( verify, result, string )
+  result = '06'
+  verify = App.Utils.formatTime(string, 2)
+  equal(verify, result, string)
 
+  string = ''
+  result = '00'
+  verify = App.Utils.formatTime(string, 2)
+  equal(verify, result, string)
+
+  string = undefined
+  result = ''
+  verify = App.Utils.formatTime(string, 2)
+  equal(verify, result, string)
+
+  string = null
+  result = ''
+  verify = App.Utils.formatTime(string, 2)
+  equal(verify, result, string)
 });
 
 }
\ No newline at end of file