adTime=10;  // seconds ad reminder is shown
chanceAd=1; // ad will be shown 1 in X times (put 1 for everytime)

var ns=(document.layers);
var ie=(document.all);
var w3=(document.getElementById && !ie);
var calunit=ns? "" : "px"
adCount=0;
function initAd(){
	if(GetCookie("subrequest") == "999"){
//		document.cookie="subrequest=999; Path=/; Expires= " + getFuture(1);
		return;
	}
	document.cookie="subrequest=999; Path=/; Expires= " + getFuture(60*30);
	if(!ns && !ie && !w3) return;
	if(ie) {
	    adDiv=eval('document.all.subrequest.style');
	}
	else if(ns)	adDiv=eval('document.layers["subrequest"]');
	else if(w3)	adDiv=eval('document.getElementById("subrequest").style');
	randAd=Math.ceil(Math.random()*chanceAd);
        if (ie||w3)
        adDiv.visibility="visible";
        else
        adDiv.visibility ="show";
	if(randAd==1) showAd();
}
function showAd(){
if(adCount<adTime*10){adCount+=1;
	if (ie){documentWidth  =truebody().offsetWidth/2+truebody().scrollLeft-20;
	documentHeight =truebody().offsetHeight/2+truebody().scrollTop-20;}	
	else if (ns){documentWidth=window.innerWidth/2+window.pageXOffset-20;
	documentHeight=window.innerHeight/2+window.pageYOffset-20;} 
	else if (w3){documentWidth=self.innerWidth/2+window.pageXOffset-20;
	documentHeight=self.innerHeight/2+window.pageYOffset-20;} 
	adDiv.left=documentWidth-200+calunit;adDiv.top =documentHeight-200+calunit;
	setTimeout("showAd()",100);}else closeAd();
}
function closeAd(){
if (ie||w3)
adDiv.display="none";
else
adDiv.visibility ="hide";
}

function truebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function getFuture(f){
var d = new Date();
//d.setTime(d.getTime() + (86400000 * f));
d.setTime(d.getTime() + (1000 * f));
return d.toGMTString();
}


function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
  var j = i + alen;
  if (document.cookie.substring(i, j) == arg)
  return getCookieVal (j);
  i = document.cookie.indexOf(" ", i) + 1;
  if (i == 0) break; 
  }
  return null;
  }


function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}