// JavaScript Document
	var url_root ="";
	 var xmlHttp=null;

	function ajaxCall(actiondata, readyfunc, formAction, params){
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null){
			alert ("Browser does not support HTTP Request");
			return
		}        
		url=url_root+actiondata;
		url=url+"/"+Math.random();		
		xmlHttp.onreadystatechange=readyfunc; 
		xmlHttp.open(formAction,url,true);		
		xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		xmlHttp.setRequestHeader("Content-length", params.length);
		xmlHttp.setRequestHeader("Connection", "close");		
	  	xmlHttp.send(params);	
	}
		
	function GetXmlHttpObject()
	{
	  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;
	}