function Categorie() {
	i = document.Categories.Liste.selectedIndex;
	if (i == 0) return;
    url = document.Categories.Liste.options[i].value;
	parent.location.href = url;
}

function ouvre_popup(page)
{
	window.open(page,"nom_popup","menubar=no, status=no, scrollbars=yes, menubar=no, width=500, height=300");
	
}