var page_name = '';
var formSend = '';
var responseText = '';

// sending data to XML file :
function loadXMLDoc(url, page) {
	try {
		page_name = page;
		
		if (window.XMLHttpRequest) {
			req = new XMLHttpRequest();
			req.onreadystatechange = xml_function;
			req.open ("POST", url, true);
			req.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
			req.send(formSend);
		} else if (window.ActiveXObject) {
			req = new ActiveXObject("Microsoft.XMLHTTP");
			req.onreadystatechange = xml_function;
			req.open ("POST", url, true);
			req.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
			req.send(formSend);
		}
	} catch (e) {
		alert ("Error: " + e);
	}
}