function Is(){
	this.ie4=document.all;
	this.ns4=document.layers;
	this.w3c=document.getElementById;
	this.ns6=document.getElementById&&!document.all;
}
var is=new Is();

function Voir(id) {
	if (is.w3c) document.getElementById(id).style.visibility="visible"
	if (is.ie4) document.all[id].style.visibility="visible"
	if (is.ns4) document.layers[id].visibility="visible"
}

function Cacher(id) {
	if (is.w3c) document.getElementById(id).style.visibility="hidden"
	if (is.ie4) document.all[id].style.visibility="hidden"
	if (is.ns4) document.layers[id].visibility="hidden"
}
Fmen = ''

	NouvelleDim= screen.width - 25
	Fmen += '<style type="text/css">#Corps{width:'+NouvelleDim+'px;top:40px}</style>'

	Fmen += '<style type="text/css">#entete{position:absolute; left:1px; top:1px; width:244px; height:140px; z-index:30"></style>'
	Fmen += '<div id=entete><a href=http://www.ecopains.net><img src=http://www.ecopains.net/images/logo.mail.jpg border=0></a></div>'

document.write(Fmen)