// DHTML Ad Box By Matt Gabbert at www.nolag.com
// La durée d'affichage en secondes
adTime=20;  
// Le nombre de fois que la boite sera affichée
chanceAd=1; 
var ns=(document.layers);
var ie=(document.all);
var w3=(document.getElementById && !ie);
adCount=0;
function initAd(){
	if(!ns && !ie && !w3) return;
	if(ie)		adDiv=eval('document.all.sponsorAdDiv.style');
	else if(ns)	adDiv=eval('document.layers["sponsorAdDiv"]');
	else if(w3)	adDiv=eval('document.getElementById("sponsorAdDiv").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  =document.body.offsetWidth/2+document.body.scrollLeft-20;
	documentHeight =document.body.offsetHeight/2+document.body.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;adDiv.top =documentHeight-200;
	setTimeout("showAd()",100);}else closeAd();
}
function closeAd(){
if (ie||w3)
adDiv.display="none";
else
adDiv.visibility ="hide";
}

function popup() {
	if (GetCookie("pop1fois")==null){
	// ouvre une fenetre layer
	initAd();	
	var pathname=location.pathname;
	var myDomain=pathname.substring(0,pathname.lastIndexOf('/')) +'/';
	var date_exp = new Date();
	date_exp.setTime(date_exp.getTime()+(24*3600*1000)); // 24 heures
	SetCookie("pop1fois","ok",date_exp,myDomain);
	}
}
function SetCookie (name, value) {
	var argv=SetCookie.arguments;
	var argc=SetCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=name+"="+escape(value)+
		((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
		((path==null) ? "" : ("; path="+path))+
		((domain==null) ? "" : ("; domain="+domain))+
		((secure==true) ? "; secure" : "");
}
function getCookieVal(offset) {
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1)
      		endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}
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;
}