function make_menu(ob,hor_vert,menu_level){
if (!ob && !ob.childNodes) return false;
if (!menu_level) {
        ob.style.position='absolute'
        ob.style.visibility='visible'
        }
var dx=0;
for  (var i=0;i<ob.childNodes.length;i++){
         var ob_in=ob.childNodes[i]
         if (hor_vert && ob_in.style) {
                ob_in.style.position='absolute'
                if (dx)ob_in.style.left=ob_in.style.left+dx+'px';
                dx+=ob_in.childNodes[0].offsetWidth
                }
                if (ob_in.getElementsByTagName && ob_in.getElementsByTagName("div").item(0)) {
                ob_menu=ob_in.getElementsByTagName("div").item(0)
                ob_menu.style.position='absolute'
                ob_menu.style.visibility='hidden';

                //correction position
                if (hor_vert) {
                        ob_menu.style.left=0+'px';
                        ob_menu.style.top=ob_in.offsetHeight+'px';
                        }
                else {
                        ob_menu.style.left=ob_in.childNodes[0].offsetWidth+'px';
                        ob_menu.style.top=ob_in.offsetTop+'px';
                        }

                ob_in.onmouseover=function() {
                        this_object=this.getElementsByTagName("div").item(0);
                        this_object.style.visibility='visible';
                        }

                ob_in.onmouseout=function(){
                        this_object=this.getElementsByTagName("div").item(0);
                        this_object.style.visibility='hidden';
                        }
                make_menu(ob_menu,0,menu_level+1)
                }
        }
}

function create_wsc_menu() {
        if (document.getElementById('wsc-vert-menu'))
                make_menu(document.getElementById('wsc-vert-menu'),0,0);
        if (document.getElementById('wsc-hor-menu'))
                make_menu(document.getElementById('wsc-hor-menu'),1,0);
}