/*
Ultimater's edited version of :
http://jibbering.com/2002/4/httprequest.html
to serve IE7 with XMLHttpRequest instead of ActiveX
*/

var xmlhttp=false;
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
	try {
		xmlhttp = new XMLHttpRequest();
	} catch (e) {
		xmlhttp=false;
	}
}


/*@cc_on @*/
/*@if (@_jscript_version >= 5)
	// JScript gives us Conditional compilation, we can cope with old IE versions.
	// and security blocked creation of the objects.
	if (!xmlhttp){
		try {
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			xmlhttp = false;
		}
	}
}
@end @*/


if (!xmlhttp && window.createRequest) {
	try {
		xmlhttp = window.createRequest();
	} catch (e) {
		xmlhttp=false;
	}
}

/*
Ultimater's edited version of :
http://javascript.internet.com/ajax/ajax-navigation.html
*/
//var please_wait = "Please wait, loading data...";
var please_wait = '<img src="../images/loader.gif">';


function open_url(url, targetId) {
	if(!xmlhttp)return false;
		var e=document.getElementById(targetId);if(!e)return false;
		
		if(please_wait)e.innerHTML = please_wait;
			xmlhttp.open("GET", url, true);
			xmlhttp.onreadystatechange = function() { response(url, e);}
		try{
			xmlhttp.send(null);
		}catch(l){
		while(e.firstChild)e.removeChild(e.firstChild);//e.innerHTML="" the standard way
		
		e.appendChild(document.createTextNode("request failed"));	
	}
}

function open_POSTurl(url, targetId) {
	if(!xmlhttp)return false;
		var e=document.getElementById(targetId);if(!e)return false;
		
		if(please_wait)e.innerHTML = please_wait;
			xmlhttp.open("POST", url, true);
			xmlhttp.onreadystatechange = function() { response(url, e);}
		try{
			xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			xmlhttp.send("txtString="+ escape(document.getElementById('txtString').value));
		}catch(l){
		while(e.firstChild)e.removeChild(e.firstChild);//e.innerHTML="" the standard way
		
		e.appendChild(document.createTextNode("request failed"));	
	}
}


function response(url, e) {
	if(xmlhttp.readyState != 4)return;
	var tmp= (xmlhttp.status == 200 || xmlhttp.status == 0) ? xmlhttp.responseText : "Ooops!! A broken link! Please contact the webmaster of this website ASAP and give him the fallowing errorcode: " + xmlhttp.status+" "+xmlhttp.statusText;
	var d=document.createElement("div");
	d.innerHTML=tmp;
	setTimeout(function(){
		while(e.firstChild)e.removeChild(e.firstChild);//e.innerHTML="" the standard way
		e.appendChild(d);
	},10)
}