function mouseOver() {


    if (document.all) {


        UL = this.getElementsByTagName('ul');


        if (UL.length > 0) {


            sousMenu = UL[0].style;


            if (sousMenu.display == 'none' || sousMenu.display == '') {


                sousMenu.display = 'block';


            }


        }


    }


}





function mouseOut() {


    if (document.all) {


        UL = this.getElementsByTagName('ul');


        if (UL.length > 0) {


            sousMenu = UL[0].style;


            if (sousMenu.display && sousMenu.display != 'none') {


                sousMenu.display = 'none';


            }


        }


    }


}





function setHover() {


    LI = document.getElementById("nav_racine").getElementsByTagName('li');


    nLI = LI.length;


    for (i=0; i < nLI; i++) {


        LI[i].onmouseover = mouseOver;


        LI[i].onmouseout = mouseOut;


    }


}





if (document.all) window.attachEvent("onload", setHover);


else window.addEventListener("load", setHover, false);