function hover(obj){
  if(document.all){
    UL = obj.getElementsByTagName('ul');
    if(UL.length > 0){
      sousMenu = UL[0].style;
      if(sousMenu.display == 'none' || sousMenu.display == ''){
        sousMenu.display = 'block';
      }else{
        sousMenu.display = 'none';
      }
    }
  }
}

function setHover(){
  LI = document.getElementById('menu').getElementsByTagName('li');
  nLI = LI.length;
  for(i=0; i < nLI; i++){
    LI[i].onmouseover = function(){
      hover(this);
    }
    LI[i].onmouseout = function(){
      hover(this);
    }
  }
}

function urlcompt(url)
{
	window.open(url,"fenetre1","left=-50,top=-50,width=1,height=1,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no");

}