/****************************************************************************************/
/**************************** Survol IE >> afficher le sous menu  ***********************/
/***************************************************************************************/ 
sfHover = function() {
 
 var sfEls = document.getElementById("menu_top").getElementsByTagName("Li");
 
 
 for (var i=0; i<sfEls.length; i++) {
  sfEls[i].onmouseover=function() { 
    
 
    this.className+=" sfhover";
 
    this.style.zIndex ="+999" ;
 
 
 
  }
  sfEls[i].onmouseout=function() {
   this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
  }
 }
}
 
if (window.attachEvent) window.attachEvent("onload", sfHover);