window.onload = open_link;
function open_link(id)
{
/*
var menu_link = document.getElementById(id);
  for (var i = 1; i<=10; i++) 
	{
	if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
if (menu_link) {menu_link.style.display='block';} */

var open_ext = document.getElementsByTagName('a');
  for (var j = 0 ; j < open_ext.length ; ++j)  
  	{
	if (open_ext[j].className == 'lien_ext')  { open_ext[j].title = 'Ouvre une nouvelle fenetre';open_ext[j].onclick = function()  { window.open(this.href); return false; };	}
	if (open_ext[j].className == 'popup_ext') { open_ext[j].title = 'Ouvre une nouvelle fenetre';open_ext[j].onclick = function()  { window.open(this.href, 'popup', 'height=400, width=500, top=10, left=10, toolbar=no, menubar=yes, location=no, resizable=yes, scrollbars=yes, status=no'); return false; }; }	
	}

var LI = document.getElementById('menu_deroulant').getElementsByTagName('li');
for (var i=0; i < LI.length; i++)
  {
  LI[i].onmouseover = function() { hover_menu(this); }
  LI[i].onmouseout = function()  { hover_menu(this); }
  }
var P = document.getElementById('menu_fixe').getElementsByTagName('p');
for (var j=0; j < P.length; j++)
  {
  P[j].style.display='block';
  }
}

function hover_menu(obj)
{
if (document.all)
  { 
  var 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'; }
    }
  }
}