var timeoutClearMenu=null;


    function ShowMenu(div)
    {
             HiddenAllMenu();
             document.getElementById(div).style.visibility="visible";
             document.getElementById(div).style.position="relative";

             //document.body.style.cursor="hand";
    }

/*    function HiddenMenu()
    {
             if (timeoutClearMenu!=null)
             {
                clearTimeout(timeoutClearMenu);
                timeoutClearMenu=null;
             }
             else
                timeoutClearMenu=setTimeout('HiddenAllMenu()', 2000);
    }*/

    function HiddenAllMenu()
    {
             document.getElementById('div1').style.visibility="hidden";
             document.getElementById('div2').style.visibility="hidden";
             document.getElementById('div3').style.visibility="hidden";
             document.getElementById('div1').style.position="absolute";
             document.getElementById('div2').style.position="absolute";
             document.getElementById('div3').style.position="absolute";
             document.body.style.cursor="auto";
             timeoutClearMenu=null;
    }