memorize this code....Ajax Lib.....

function ajaxGET(div,url){
	var
xmlhttp;
	if (window.XMLHttpRequest){		
	  xmlhttp=new XMLHttpRequest();//
code for IE7+, Firefox, Chrome, Opera, Safari
	}else{
	  xmlhttp=new
ActiveXObject("Microsoft.XMLHTTP");// code for IE6,
IE5
	}	
	xmlhttp.onreadystatechange=function(){
	  if(xmlhttp.readyState==4
&&
xmlhttp.status==200){
		document.getElementById(div).innerHTML=xmlhttp.responseText;
	
 }else{
		 
document.getElementById(div).innerHTML="Loading..."; 
	 
}
	}
	xmlhttp.open("GET",url,true);
	xmlhttp.send();
}