var xmlHttp;

function select_group(str){ 
	xmlHttp=GetXmlHttpObject();
	if(xmlHttp==null){
		alert ("Browser does not support HTTP Request");
	 	return;
	}
	var url="/Media/js/005/js_pointers.php";
	url=url+"?select_ag="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged_select_ag;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged_select_ag(){ 
	if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
		document.getElementById("select_ag_ajax").innerHTML=xmlHttp.responseText ;
	} 
}

function changeURL(url){
	window.location=url;
}

function GetXmlHttpObject(){
	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;
}