//GESTION DU MENU
 sfHover = function() {
   var sfEls = document.getElementById("menu-main").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"), "");
     }
   }
 }
 if (window.attachEvent) window.attachEvent("onload", sfHover);

 var t;
t = 11;
function changerTaille(modif) {
    t = t + modif;
    document.getElementsByTagName("body")[0].style.fontSize = t + "px";
}