Ajax

[jerald55]

below my java Script is there
it is not entering after if(xmlObj.readystate == 4 & xmlObj.status == 200)
please help me..,

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}
var xmlObj = GetXmlHttpObject();

function getCityData()
{
	var stateValue = document.getElementById("State").value;
	
	url = "http://localhost:8085/NewForm/getCity.jsp?State="+stateValue;
	alert(url);
	xmlObj.open("GET",url,true);
	
	xmlObj.onreadystatechange = function()	{  
		//alert(xmlObj.status);
		//alert(xmlObj.readystate);
		alert(xmlObj);
		if(xmlObj.readystate == 4 & xmlObj.status == 200)
		
		{
					alert(xmlObj.readystate);
			alert("jerald");
			alert(xmlObj.responseText);
			//var id =
				document.getElementById("City");
			
			var result = xmlObj.responseText;
			alert(result);
				
			var s = result.split(',');
			var indx = 1;
			for(indx=1; indx < s.length; indx++)
			
			{
				document.form1.City.options[s[indx]] = new Option(s[2],s[1]);
			
			}
			
			}
	}
	xmlObj.send(null);
}