if(CKEDITOR.instances[Itemname].mode=='wysiwyg'){

            CKEDITOR.instances[Itemname].insertText(TextToInsert);

         }

         else{

            var input = document.getElementsByClassName('cke_source cke_enable_context_menu')[0];

            input.focus();

            if(typeof input.selectionStart != 'undefined')

            {

               /* Einfügen des Formatierungscodes */

               var start = input.selectionStart;

               var end = input.selectionEnd;

               input.value = input.value.substr(0, start) + TextToInsert + input.value.substr(end);

               /* Anpassen der Cursorposition */

               var pos;

               pos = start+TextToInsert.length;

               input.selectionStart = pos;

               input.selectionEnd = pos;

            }

         }