//AJAX
var xmlHttp

function send_request(url)
	{ 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
		 {
		 alert ("Browser does not support HTTP Request")
		 return
		 }
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged ;
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
	}

function stateChanged() 
	{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		 { 
		 //treat response
		 //document.getElementById("results").innerHTML=xmlHttp.responseText 
		 } 
	}

function GetXmlHttpObject()
	{
	/*try {
	    netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
		netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		netscape.security.PrivilegeManager.enablePrivilege("UniversalFileRead");
		netscape.security.PrivilegeManager.enablePrivilege("CapabilityPreferencesAccess ");
	    } 
	catch (e) 
	    {
		alert("Permission UniversalBrowserRead denied.");
	    }*/
	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;
	}	
//AJAX