How to check file exists on server using javascript

I solved it using following script

  function isFile(str)
          {
              var O = AJ();
            //  alert(O);
             if (!O) return false;
             try
             {
                 O.open("HEAD", str, false);
                 O.send(null);
                // alert(O.status);
                 return (O.status == 200) ? true : false;
             }
             catch (er)
             {
               //  alert("err");
                 return false;
             }
         }

         function AJ()
         {
             var obj;
             if (window.XMLHttpRequest)
             {
                 obj = new XMLHttpRequest();
             }
             else if (window.ActiveXObject)
             {
                 try
                 {
                     obj = new ActiveXObject('MSXML2.XMLHTTP.3.0');
                 }
                 catch (er)
                 {
                   // alert("err");
                     obj = false;
                 }
             }
             //alert(obj);
             return obj;
         }

Hi,

pls refer this url

http://stackoverflow.com/questions/3646914/how-do-i-check-if-file-exists-in-jquery-or-javascript


thanks.




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