sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		if (sfEls[i].className == 'head') {
			//alert('ici1');
			sfEls[i].onmouseover=function() {
				this.className+=(this.className.length>0? " ": "") + "headHover";
			}
			sfEls[i].onmouseout=function() {
				//this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
				this.className="";
			}
		}
		if (sfEls[i].className == 'headSelected') {
			//alert('ici2');
			sfEls[i].onmouseover=function() {
				this.className+=(this.className.length>0? " ": "") + "headHover";
			}
			sfEls[i].onmouseout=function() {
				//this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
				this.className="headSelected";
			}
		}
	}
}
if(window.attachEvent) { // win/ie
	window.attachEvent('onload', sfHover);
} else { // mac/ie5
	if(typeof window.onload == 'function') {
		var existing = onload;
		window.onload = function() {
			existing();
			sfHover();
		}
	} else {
		window.onload = function() {
			sfHover();
		}
	}
}