function SwitchMenu(obj){ if(document.getElementById){ var el =
document.getElementById(obj); var ar =
document.getElementById("cont").getElementsByTagName("DIV");
if(el.style.display == "none"){ for (var i=0; i<ar.length; i++){
ar[i].style.display = "none"; } el.style.display = "block"; }else{
el.style.display = "none"; } }
}
function ChangeClass(menu, newClass) { if (document.getElementById) {
document.getElementById(menu).className = newClass; } }
document.onselectstart = new Function("return true");