/*function showDivDeroulant(el) {	
	document.getElementById('m1').style.display = 'none';
	document.getElementById('m2').style.display = 'none';
	document.getElementById(el).style.display = 'block';
}*/

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
var ns = (browserName == "Netscape" && browserVer <5);
var ns6 = (browserName == "Netscape" && browserVer == 5);
var ie = (browserName == "Microsoft Internet Explorer");
var mac = (navigator.userAgent.indexOf("Mac") != -1);

function visible(lelayer){
if (ns){document.layers[lelayer].visibility = "show";}
else if (ie){document.all[lelayer].style.visibility = "visible";}
else if (ns6){document.getElementById(lelayer).style.visibility = "visible";}
}
function invisible(lelayer){
if (ns){document.layers[lelayer].visibility = "hide";}
else if (ie){document.all[lelayer].style.visibility = "hidden";}
else if (ns6){document.getElementById(lelayer).style.visibility = "hidden";}
}


function visible2(lelayer){
	clearTimeout(masqueMenu);
	document.getElementById(lelayer).style.display='block';
}
var masqueMenu;
function invisible2(lelayer){
	masqueMenu = setTimeout("document.getElementById('menuDeroulant').style.display='none'",1000)
}