sfHover = function() {
		var sfEls = document.getElementById("menu").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);

function showIt(jjd) {
 var dx = document.getElementById(jjd);
 dx.style.display='block';
}

function hideIt(jjd) {
 var dx = document.getElementById(jjd);
 dx.style.display='none';
}

function showDiv(name)
                {          // avant 1er appel de la fct il faut bien sur :   var anc_div = 'xxxx';
                      // document.getElementById(anc_onglet).style.display = 'none';
                      //  document.getElementById(name).style.display = 'block';
                       hideIt(anc_div);
                       showIt(name);
                       anc_div = name;
                }