JavaScript lacks a Replace() function. This functionality can only be achieved in Javascript using RegularExpression, though not all browsers support it. The code below is for replace and can work on all browers.
function Replace(StrSource,StrFind,StrReplace,_IsCaseSensitive) { var StrReplacedContent=""; var FindPos; var StrOriginal=new String(StrSource)_.toString(); var StrOriginalSource=new String(StrSource); var FindPos=StrOriginalSource.toString()_.indexOf(StrFind); while(FindPos>-1) { StrReplacedContent+=_StrOriginal.substring(0,FindPos) + StrReplace; StrOriginalSource=_StrOriginalSource.substring(FindPos+StrFind.length); StrOriginal=_StrOriginal.substring(FindPos+StrFind.length); FindPos=StrOriginalSource_.indexOf(StrFind); } StrReplacedContent+=StrOriginalSource; return StrReplacedContent; }