// JavaScript Document

function initStyle (NomStyle)
{
	resol=LireCookie("RESOLUTION");
	if (resol == null || resol == "") {
		
		if (screen.width > 1270 && screen.height < 1024) {
			document.write('<link rel="stylesheet" type="text/css" href="styles-16-9/' + NomStyle + '.css" media="screen" />');
			EcrireCookie10('RESOLUTION', 'FORMAT169')
		} else {
			document.write('<link rel="stylesheet" type="text/css" href="styles/' + NomStyle + '.css" media="screen" />');
			EcrireCookie10('RESOLUTION', 'FORMAT34')
		}

		} 
	else {
		if (resol == "FORMAT34")  
			document.write('<link rel="stylesheet" type="text/css" href="styles/' + NomStyle + '.css" media="screen" />');
	
		if (resol == "FORMAT169") 
			document.write('<link rel="stylesheet" type="text/css" href="styles-16-9/' + NomStyle + '.css" media="screen" />');
	}
}

function EcrireCookie10 (nom, valeur)
{
	date=new Date;
	date.setFullYear(date.getFullYear()+10);
	EcrireCookie(nom, valeur, date);
}


function EcrireCookie(nom, valeur)
{
	var argv=EcrireCookie.arguments;
	var argc=EcrireCookie.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=nom+"="+escape(valeur)+
	((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 LireCookie(nom)
{
	var arg=nom+"=";
	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;
}