//si le navigateur est Netscape
if(navigator.appName == "Netscape")
{
	document.write('<layer id="text"><img alt="logo of lumilog" src="./images/logoWEB2.jpg"></layer><br>');
}
if (navigator.appVersion.indexOf("MSIE") != -1)
{
	document.write('<div id="text"><img alt="logo of lumilog" src="./images/logoWEB2.jpg"></div>');
}