var timeout
dom = (document.getElementById)? true : false;
nn4 = (document.layers)? true : false;
ie4 = (document.all && !dom)? true : false;

function show(what){
	if(dom){
	hideAll();
	document.getElementById(what).style.visibility = "visible";}
	else if(ie4){
	hideAll();
	document.all[what].style.visibility = "visible";}
	else if(nn4){
	hideAll();
	document.layers[what].visibility = "show";
	}
                   }

function hideAll(){
	if(dom){
	document.getElementById('submenu1').style.visibility = "hidden";
	document.getElementById('submenu2').style.visibility = "hidden";
	document.getElementById('submenu3').style.visibility = "hidden";
	document.getElementById('submenu4').style.visibility = "hidden";
	document.getElementById('submenu5').style.visibility = "hidden";
	}
	else if(ie4){
	document.all['submenu1'].style.visibility = "hidden";
	document.all['submenu2'].style.visibility = "hidden";
	document.all['submenu3'].style.visibility = "hidden";
	document.all['submenu4'].style.visibility = "hidden";
	document.all['submenu5'].style.visibility = "hidden";
	}
	else if(nn4){
	document.layers['submenu0'].visibility = "show";
	document.layers['submenu1'].visibility = "hide";
	document.layers['submenu2'].visibility = "hide";
	document.layers['submenu3'].visibility = "hide";
	document.layers['submenu4'].visibility = "hide";
	document.layers['submenu5'].visibility = "hide";
	}
                  }


        if (document.images) {
            img1on = new Image();          
            img1on.src ="../pics/menu_01a.gif";       // Active Images
            img2on = new Image();          
            img2on.src ="../pics/menu_02a.gif";
            img3on = new Image();          
            img3on.src ="../pics/menu_03a.gif";
            img4on = new Image();          
            img4on.src ="../pics/menu_04a.gif";
            img5on = new Image();          
            img5on.src ="../pics/menu_05a.gif";
            img6on = new Image();          
            img6on.src ="../pics/menu_06a.gif";
            img7on = new Image();          
            img7on.src ="../pics/menu_07a.gif";
            img8on = new Image();          
            img8on.src ="../pics/menu_08a.gif";
            img9on = new Image();          
            img9on.src ="../pics/menu_09a.gif";

            img1off = new Image();          
            img1off.src ="../pics/menu_01.gif";           // Inactive Images
            img2off = new Image();          
            img2off.src ="../pics/menu_02.gif";
            img3off = new Image();          
            img3off.src ="../pics/menu_03.gif";
            img4off = new Image();          
            img4off.src ="../pics/menu_04.gif";
            img5off = new Image();           
            img5off.src ="../pics/menu_05.gif";
            img6off = new Image();          
            img6off.src ="../pics/menu_06.gif";
            img7off = new Image();          
            img7off.src ="../pics/menu_07.gif";
            img8off = new Image();          
            img8off.src ="../pics/menu_08.gif";
            img9off = new Image();          
            img9off.src ="../pics/menu_09.gif";
        }