problem in javascript output from http.response after creating external javascript file-jsp

[supriya riya]

hi friends.My problem is my java script functions are not working properly in index.js file.i am getting alert boxes given in .js file but the AJAX http.response is null..but all my function's that is database etc are working properly.Before making external script file everything was working fine,but after i created different .js file ,its not working.
my .js file is in js folder in web folder .And my index.jsp in web folder.

My index.jsp where i call javascript file.

<script language="JavScript" src="<%=request.getContextPath()%>/js/index.js" type="text/javascript" ></script>

calling functio in index.js

<input name="categarysearch" type="text" class="body_text" id="categarysearch" value="Search Categories" onclick="return Cleardata();"  onkeyup="return CategarySearch();" >

Index.js file

function Cleardata(){
     document.getElementById("categarysearch").value="";
     }
  
     function createRequestObject() {
 var tmpXmlHttpObject;
    
    //depending on what the browser supports, use the right way to create the XMLHttpRequest object
    if (window.XMLHttpRequest)
       { 
        // Mozilla, Safari would use this method ...
        tmpXmlHttpObject = new XMLHttpRequest();
	
       } 
        else if (window.ActiveXObject) 
         { 
        // IE would use this method ...
        tmpXmlHttpObject = new ActiveXObject("Microsoft.XMLHTTP");
         }    
    return tmpXmlHttpObject;
}

var http = createRequestObject();
 function CategarySearch()
{
alert("hi");
alert(http);
var categarysearch=document.getElementById("categarysearch").value;
alert(categarysearch);
if(categarysearch==''){
var olddiv = document.getElementById("mytable41");
      // alert(olddiv);
       if(olddiv!=null){
       //var no=12;
       removeAllRows(i);
       }
 
}else{
if(categarysearch!=null)
{
http.open('get','<%=request.getContextPath()%>/CategaryListAjax?uname='+categarysearch);
alert(http.readystate);
var ss='<%=request.getContextPath()%>/CategaryListAjax?uname='+categarysearch;
alert(ss);
http.onreadystatechange=isvalidCategarySearch;
alert(http.readystate);
http.send(null);
}
}
}
var i=0;  
var  flag ="false"; 
function  isvalidCategarySearch(){
if(http.readystate==4)
{
var response = http.responseText;
alert(http.readystate);
  alert(response)
   var finalArray=response.split("@#@");
  // alert(finalArray)
   var d = document.getElementById('div1');
 // alert(d)
  var olddiv = document.getElementById("mytable41");
      // alert(olddiv);
       if(olddiv!=null){
       //var no=12;
       removeAllRows(i);
       }
 var d = document.getElementById('div1'); 
   for(var j=0;j< finalArray.length-1;j=j+2){   
         var tb1=document.getElementById("mytable41");
         var text12="<div></div>";
        //  alert("else")
          
          var pidd=finalArray[j];
          var u1='<%=request.getContextPath()%>/DisplaySubCategaryForm?cateid='+pidd ;
          var newRow = tb1.insertRow(i);
          var newCell = newRow.insertCell(0);  
          var link ='<%=request.getContextPath()%>/DisplaySubCategaryForm?cateid='+pidd;
          //alert("link"+link);
          var hyper ='                                                              ';
          hyper=hyper+'<a href='+link+' >'+finalArray[j+1]+'</a>'; 
          newCell.innerHTML+=" "+hyper;
          i++; 
                  
     }//end for      
  
  }

 } 

 function removeAllRows(num)
{
 // alert("num**"+num)
   for(var jk=num-1;jk>=0;jk--){
  
   // alert("num**"+num)
    
    var table = document.getElementById("mytable41");//adentification of table
    
    try {
        i--;
        table.deleteRow(jk);//deletion of the clicked row
    } catch (ex) {
        alert(ex);
    }
 
   }
}   
     

 



 function newwin ( str)
{
//Function for open the site click
var url=str;
//alert(url);
var newwindow=window.open("http://"+url,'catalystmart');
//window.location.href="http://"+url;
       
}//end of function

function Validation(){

//for search
if(document.searchform.search.value=='')
{
alert('Please Enter your search.');
document.searchform.search.focus();
return false;
}
// searchby    
  for(var i=0;i<document.searchform.searchby.length;i++){
            if(document.searchform.searchby[i].selected){
              var ands = document.searchform.searchby[i].value;
              
        }
        
      }
 if(ands==''){
 alert('Please select search by.');
document.searchform.searchby.focus();
 return false;
  }

 }


    function validatePwd(){
    //for search
if(document.form2.loginid.value=='')
{
alert('Please Enter your loginid.');
document.form2.loginid.focus();
return false;
}
 //for password
if(document.form2.password.value=='')
{
alert('Please Enter your password.');
document.form2.password.focus();
return false;
}   
    
}

[Bear Bibeault]

A few things first:

Please be sure to use code tags when posting code to the forums. Unformatted code is extremely hard to read and many people that might be able to help you will just move along to posts that are easier to read. Please read this for more information.

You can go back and change your post to add code tags by clicking the button on your post.

Also, please take the time to choose the correct forum for your posts. This forum is for questions on JSP.

For more information, please read this.

This post has been moved to a more appropriate forum.

[Bear Bibeault]

And, "surpriya java", please check your private messages for an important administrative matter. Again.