function changeMenu(menuID)
	{
	var objName = "";
	for (var x=0; x<11; x++)
		{
		objName = "menu" + x;
		if (menuID == x)
			changeDisplay (objName,"block");
		else
			changeDisplay (objName,"none");
		}
	}

function changeDisplay(objectName, displayValue)
	{
	// What browser is the person using?
	var thisBrowser = "";
	if(document.layers)
		thisBrowser="NN4";
	if(document.all)
		thisBrowser="ie"
	if(!document.all && document.getElementById)
		thisBrowser="NN6";
	// Change the display based on browser version's object model
	switch (thisBrowser)
		{
		case 'NN4':
			document(objectName).display = displayValue;
			break;
		case 'ie':
			document.all(objectName).style.display = displayValue;
			break;
		case 'NN6':
			document.getElementById(objectName).style.display = displayValue;
			break;
		}
	}