// JavaScript Document

function rollover(nomimage,nomfichier,divname) {
	if (document.layers && divname != '') {
		eval("document.layers." + divname + ".document.images['" + nomimage + "'].src = '" + nomfichier + "';");
	} else {
		document.images[nomimage].src = nomfichier;
	}
}

function lib_bwcheck(){
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new lib_bwcheck()

// Fonctions afficher / cacher des divs

function show(id)
{
	
	if (bw.dom) {
	document.getElementById(id).style.visibility = "visible";
	} else if (bw.ns4) {
	document.layers[id].document.layers[id].visibility = "visible";
	} else if (bw.ie4) {
	document.all[id].style.visibility = "visible";
	}
}

function hide(id)
{
	
	if (bw.dom) {
	document.getElementById(id).style.visibility = "hidden";
	} else if (bw.ns4) {
	document.layers[id].document.layers[id].visibility = "hidden";
	} else if (bw.ie4) {
	document.all[id].style.visibility = "hidden";
	}
}