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");