var xmlHttp
var xmlid
function ajax(id,url,data)
{
xmlid=id

		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null){
 			alert ("Browser does not support HTTP Request")
 			return
 		} 

	url=url+data
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("POST",url,true)
	xmlHttp.send(null)
}


function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
 	document.getElementById(xmlid).innerHTML=xmlHttp.responseText
 	} 
}

function GetXmlHttpObject(){
	var xmlHttp=null;
	try{
		xmlHttp=new XMLHttpRequest();
 	}
	catch (e){
 	try{
  		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  	}
 	catch (e){
  	xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}
}
return xmlHttp;
}