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ajax:Callback function not being called for every readystate change for first request

 
Greenhorn
Posts: 4
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Hi
I am working with an ajax program.
In that i have defined a callback funtion
but that function is not being called for every readystatechange of the request object for the first request .
but it is working fine from the second request.

function find(start,number){
var nameField=document.getElementById("text1").value;
var starting=start;
var total=number;
if(form1.criteria[0].checked) {
http.open("GET", url + escape(nameField)+"�m2="+escape("exact")+"�m4="+escape(starting)+"�m5="+escape(number));
}
else if(form1.criteria[2].checked) {
http.open("GET", url + escape(nameField)+"�m2="+escape("prefix")+"�m4="+escape(starting)+"�m5="+escape(number));
}
http.onreadystatechange = callback2;
http.send(null);
}

function callback2(){
if (http.readyState == 4) {//request state
if(http.status==200){
var message=http.responseXML;
alert(http.responseText);
Parse2(message);
}else{
alert("response is not completed");
}
}else{
alert("request state is :-"+http.readyState);
}
}
 
author
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Please do not cross-post the same question to several forums!
 
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