// All functions needed for screen change

var postrequest = false;

function f_clientWidth() {
	return f_filterResults (
		window.innerWidth ? window.innerWidth : 0,
		document.documentElement ? document.documentElement.clientWidth : 0,
		document.body ? document.body.clientWidth : 0
	);
}
function f_clientHeight() {
	return f_filterResults (
		window.innerHeight ? window.innerHeight : 0,
		document.documentElement ? document.documentElement.clientHeight : 0,
		document.body ? document.body.clientHeight : 0
	);
}
function f_scrollLeft() {
	return f_filterResults (
		window.pageXOffset ? window.pageXOffset : 0,
		document.documentElement ? document.documentElement.scrollLeft : 0,
		document.body ? document.body.scrollLeft : 0
	);
}
function f_scrollTop() {
	return f_filterResults (
		window.pageYOffset ? window.pageYOffset : 0,
		document.documentElement ? document.documentElement.scrollTop : 0,
		document.body ? document.body.scrollTop : 0
	);
}
function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}
function ajaxpost(url, vars){
    if (window.XMLHttpRequest) 
	{
		postrequest = new window.XMLHttpRequest();
	}
	else if(window.ActiveXObject) 
	{
        postrequest = new ActiveXObject("Microsoft.XMLHTTP");
    }
	else if(window.createRequest) 
	{
	    postrequest = new window.createRequest();
    }
    postrequest.open("POST", url, true);
    postrequest.setRequestHeader('Content-type','application/x-www-form-urlencoded;charset=UTF-8;');
    postrequest.onreadystatechange = processReadyStateChange;
    postrequest.send(vars);
}
function processReadyStateChange(){
   if (postrequest.readyState == 4) 
   {
     if (postrequest.status == 200)
	 {
         window.location.replace(rt_url);
	 }
   }
}