function setHover() {
			var m = new Array('menu_haut', 'menu_left', 'menu_bottom');
			for (var i = 0; i < m.length; i++) {
				if (document.getElementById(m[i])) {
					var LI = document.getElementById(m[i]).getElementsByTagName('li');
					for (var j = 0; j < LI.length; j++) {
						eval('LI[j].onmouseover = function() { hover(this, \'' + LI[j].className + '_over\'); }');
						eval('LI[j].onmouseout = function() { hover(this, \'' + LI[j].className + '\'); }');
					}
				}
			}
		}

		function hover(obj, classe) {
			if (obj.tagName.toLowerCase() == 'li') {
				obj.className = classe;
				var A = obj.getElementsByTagName('a'); if (A.length > 0) A[0].className = classe;
				var UL = obj.getElementsByTagName('ul'); if (UL.length > 0) UL[0].className = UL[0].className.split(' ')[0]+ ' ' + classe;
			}
		}

		onload = setHover;