Make checkIsMyInvitation use Django to parse the URL
Using django is more reliable and makes the code easier to read as
there is no knowledge of the url layout required.
Patch by: Sverre Rabbelier
(function(){tinymce.create('tinymce.plugins.PageBreakPlugin',{init:function(ed,url){var pb='<img src="'+url+'/img/trans.gif" class="mcePageBreak mceItemNoResize" />',cls='mcePageBreak',sep=ed.getParam('pagebreak_separator','<!-- pagebreak -->'),pbRE;pbRE=new RegExp(sep.replace(/[\?\.\*\[\]\(\)\{\}\+\^\$\:]/g,function(a){return'\\'+a;}),'g');ed.addCommand('mcePageBreak',function(){ed.execCommand('mceInsertContent',0,pb);});ed.addButton('pagebreak',{title:'pagebreak.desc',cmd:cls});ed.onInit.add(function(){if(ed.settings.content_css!==false)ed.dom.loadCSS(url+"/css/content.css");if(ed.theme.onResolveName){ed.theme.onResolveName.add(function(th,o){if(o.node.nodeName=='IMG'&&ed.dom.hasClass(o.node,cls))o.name='pagebreak';});}});ed.onClick.add(function(ed,e){e=e.target;if(e.nodeName==='IMG'&&ed.dom.hasClass(e,cls))ed.selection.select(e);});ed.onNodeChange.add(function(ed,cm,n){cm.setActive('pagebreak',n.nodeName==='IMG'&&ed.dom.hasClass(n,cls));});ed.onBeforeSetContent.add(function(ed,o){o.content=o.content.replace(pbRE,pb);});ed.onPostProcess.add(function(ed,o){if(o.get)o.content=o.content.replace(/<img[^>]+>/g,function(im){if(im.indexOf('class="mcePageBreak')!==-1)im=sep;return im;});});},getInfo:function(){return{longname:'PageBreak',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/pagebreak',version:tinymce.majorVersion+"."+tinymce.minorVersion};}});tinymce.PluginManager.add('pagebreak',tinymce.plugins.PageBreakPlugin);})();