var req = false;
if(window.XMLHttpRequest){
	req = new XMLHttpRequest();
}
else if (window.ActiveXObject){
	req = new ActiveXObject("Microsoft.XMLHTTP");
}
function readcontent(source){
	var content = document.getElementById(source).value;
	return content;
}
function getdata(source, shid){
	if(req){
	var obj = document.getElementById(shid);
	obj.innerHTML = '<img src="img/ajax_loader.gif" border="0" />';
		req.open("GET", source);
		req.onreadystatechange=function(){
			if(req.readyState == 4 && req.status == 200){
				obj.innerHTML = req.responseText;
			}
		}
		req.send(null);
	}
}