/* menu deroulant */
var oldMenu = null;

if (!document.getElementById)
    document.getElementById = function() { return null; }

function menu_init(menuId, choixId) {
    var menu = document.getElementById(menuId);
    var effacemenu = document.getElementById('effaceMenu');
    var choix = document.getElementById(choixId);

    if (menu == null || choix == null) return;
  
    choix.onmouseover = function() {
        if ((menu != oldMenu) && (oldMenu != null)){
			oldMenu.style.visibility = "hidden";
		}
		
		effacemenu.style.visibility = "visible";
		menu.style.visibility = "visible";
    	oldMenu = menu;
    	
    }
}


function effaceMenu(choixId) {
    var choix = document.getElementById(choixId);
    var effacemenu = document.getElementById('effaceMenu');
    choix.onmouseover = function() {
        if (oldMenu != null) {
        	effacemenu.style.visibility = "hidden";
			oldMenu.style.visibility = "hidden";
		}
    }
}




/* ouvre popup */
function lapopup(URL) {
newWindow = window.open(URL,"nioufenetre", "toolbar=1, directories=1, status=1, menubar=1, scrollbars=1, resizable=1");
}