var xmlHttp
function AjaxFunction(PageName, value, DivId, SearchBy){ 
	if ((value==0) || (value=='')){ 
	  document.getElementById(DivId).innerHTML="";
	  return;
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url=PageName
	url=url+"?value="+value
	url=url+"&SearchBy="+SearchBy
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=function(){
		 if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
			document.getElementById(DivId).innerHTML=xmlHttp.responseText;
		 }else{
			document.getElementById(DivId).innerHTML="<img class='img_center' src='templates/images/icon/loading.gif'>";
		 }
	};
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}
function GetXmlHttpObject(){ 
	var objXMLHttp=null
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject){
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}