Fixed bug where IE would throw exception on focus call.
Fixed bug where IE would throw exception on focus call.

1099511627776/tinymce,sjbufton/tinymce,mplank/tinymce,rednose-public/tinymce,tinymce/tinymce,TeamupCom/tinymce,danchr/tinymce,aduth/tinymce,aduth/tinymce,jtark/tinymce,nikolas/tinymce,dziemian007/tinymce,fashionsun/tinymce,ikuchmin/tinymce,enfold/tinymce,bsuh/tinymce,rxl194/tinymce,adaptiffdesigns/tinymce,M4R7iNP/tinymce,VioletLife/tinymce,jtark/tinymce,endjin/tinymce,pmpl-5/tinymce,henrythewasp/tinymce,FernCreek/tinymce,simachewh/tinymce,gabixdev/tinymce,mplank/tinymce,TeamupCom/tinymce,rbecheras/tinymce,support-dot-com/tinymce,sachgits/tinymce,tinymce/tinymce,rxl194/tinymce,nbcp/tinymce,howanghk/tinymce,jashua212/tinymce,kencheung/tinymce,rednose-public/tinymce,henrythewasp/tinymce,shilpi230/tinymce,danielpunkass/tinymce,gencer/tinymce,fashionsun/tinymce,gencer/tinymce,nikolas/tinymce,danielpunkass/tinymce,simachewh/tinymce,support-dot-com/tinymce,howanghk/tinymce,danielpunkass/tinymce,enfold/tinymce,Kindling/tinymce,adaptiffdesigns/tinymce,jashua212/tinymce,ikuchmin/tinymce,Kindling/tinymce,gabixdev/tinymce,fhchina/tinymce,shilpi230/tinymce,danchr/tinymce,Razzwan/tinymce,blakewallan/tinymce,ETSI-CTI/TinySpecMCE,1099511627776/tinymce,dziemian007/tinymce,FernCreek/tinymce,leofeyer/tinymce,fillabs/TinySpecMCE,Razzwan/tinymce,tinymce/tinymce,Zimbra/tinymce,kencheung/tinymce,ice8lue/tinymce,sjbufton/tinymce,rbecheras/tinymce,endjin/tinymce,pmpl-5/tinymce,FernCreek/tinymce,blakewallan/tinymce,leofeyer/tinymce,fhchina/tinymce,ETSI-CTI/TinySpecMCE,VioletLife/tinymce,ice8lue/tinymce,nbcp/tinymce,M4R7iNP/tinymce,MediehusetTek/tinymce,Zimbra/tinymce,MediehusetTek/tinymce,fillabs/TinySpecMCE,sachgits/tinymce,ChristophKaser/tinymce,ChristophKaser/tinymce,Shopify/tinymce,bsuh/tinymce