var xmlHttp;  
var detail; 
var fname;  
function createXMLHttpRequest(){
	if (window.ActiveXObject)	{
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest){
		xmlHttp = new XMLHttpRequest();
	}
}
function ajax_connection(url1,method){
	createXMLHttpRequest();
	xmlHttp.onreadystatechange = ajax_reply;
	xmlHttp.open(method,url1,true);
	xmlHttp.send(null);
}
function ajax_reply(){
	if (xmlHttp.readyState==4){
		if (xmlHttp.status==200){
			results = xmlHttp.responseXML.documentElement; 
			results2 = xmlHttp.responseText; 
			get_answer(results,results2);			
		}
	}
}
function parseXML(xml,tag,ifnul)
{
	return (xml.getElementsByTagName(tag)[0].hasChildNodes())?xml.getElementsByTagName(tag)[0].firstChild.nodeValue:ifnull;
}