/* Pour menu déroulant */
sfHover = function() 
{
var sfEls = document.getElementById("navigation").getElementsByTagName("LI");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=" sfhover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp("sfhover\\b"), "");
}
}
}