function IsNullOrEmpty(str){return!(str!=null&&str.replace(/\s/g,"")!="");}
function AjaxCustomValidatorWebMethodCall(url,data){var isValid;$.ajax({type:'POST',contentType:'application/json; charset=utf-8',url:url,data:data,dataType:'json',async:false,success:function(result){isValid=result.d;}});return isValid;}
String.prototype.endsWith=function(str)
{var lastIndex=this.lastIndexOf(str);return(lastIndex!=-1)&&(lastIndex+str.length==this.length);}
function IsIE6(){return($.browser.msie&&$.browser.version=='6.0');}
function IsPNGFixLoaded(){return typeof DD_belatedPNG!='undefined';}