fixed undefined on document focus bug
fixed undefined on document focus bug

rbecheras/tinymce,TeamupCom/tinymce,aduth/tinymce,sjbufton/tinymce,FernCreek/tinymce,nbcp/tinymce,fillabs/TinySpecMCE,nbcp/tinymce,TeamupCom/tinymce,ikuchmin/tinymce,blakewallan/tinymce,danielpunkass/tinymce,ETSI-CTI/TinySpecMCE,gencer/tinymce,rbecheras/tinymce,adaptiffdesigns/tinymce,blakewallan/tinymce,FernCreek/tinymce,danielpunkass/tinymce,ikuchmin/tinymce,jtark/tinymce,MediehusetTek/tinymce,FernCreek/tinymce,danielpunkass/tinymce,adaptiffdesigns/tinymce,tinymce/tinymce,jtark/tinymce,fillabs/TinySpecMCE,leofeyer/tinymce,ETSI-CTI/TinySpecMCE,leofeyer/tinymce,aduth/tinymce,MediehusetTek/tinymce,tinymce/tinymce,sjbufton/tinymce,tinymce/tinymce,gencer/tinymce