window.onload = function(){
    InitLink();
}; 

function InitLink()
{
    $('a.lightbox').lightBox();
    var link = document.getElementsByTagName("li");
    for(var i = 0; i< link.length ; i++)
    {
        if(link[i].id.indexOf("menu") >-1)
        {
            link[i].onclick = function(){
                for(i=2;i<=4;i++)
                {
                    var sous_menu = "sous_menu"+i;
                    if(("sous_"+this.id !="sous_menu"+i) && (document.getElementById(sous_menu).style.display =="table"))
                        $("#sous_menu"+i).hide("blind", {
                            direction: "horizontal"
                        }, 380);
                }
                $("#sous_"+this.id).toggle("blind", {
                    direction: "horizontal"
                }, 380);
            };
        }
    }
}