// JavaScript Document

var http_request = false;
var Div_ = null;

function makePOSTRequest(url) {
	http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
    	http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
  	        http_request.overrideMimeType('text/html');
  	    }
	}else	if (window.ActiveXObject) { // IE
				try {
					http_request = new ActiveXObject("Msxml2.XMLHTTP");
	            } catch (e) {
					try {
						http_request = new ActiveXObject("Microsoft.XMLHTTP");
					} catch (e) {}
				}
			}
	if (!http_request) {
		alert('No XMLHTTP');
		return false;
	}     
	http_request.onreadystatechange = alertContents;
	http_request.open('GET', url, true);
	http_request.setRequestHeader("Content-type", "text/html");
	http_request.setRequestHeader("Connection", "close");
	http_request.send(null);
}

function alertContents() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			result = http_request.responseText;
			Div_.innerHTML = result;
		} else {
			alert('Error.');
		}
	}
}   

/*
 * This Function is used in caller page.
 * @param div: The div that recieve page response
 * @param url: The page request.
 */
function getpage(div, url) {
	Div_ = document.getElementById(div);
	makePOSTRequest(url);
}