function showElement1(layer) {
var myLayer = document.getElementById(layer);
if(myLayer.style.display=="none"){
myLayer.style.display="block";
myLayer.backgroundPosition="top";

} else {
myLayer.style.display="none";
}
document.getElementById('menu2').style.display = "none";
}

function showElement2(layer) {
var myLayer = document.getElementById(layer);
if(myLayer.style.display=="none"){
myLayer.style.display="block";
myLayer.backgroundPosition="top";
} else {
	myLayer.style.display="none";
	}
	document.getElementById('menu1').style.display = "none";
}

function hideMenu() {
document.getElementById('menu1').style.display = "none";
document.getElementById('menu2').style.display = "none";
}
//function hideMenu2() {
//document.getElementById('sub1').style.display = "none";
//}
/*menu_status = new Array();
function showHide(theid) {
	if (document.getElementById) {
	    var switch_id = document.getElementById(theid);

	    if (menu_status[theid] != 'show') {
		switch_id.className = 'show';
		menu_status[theid] = 'show';
	    } else {
		switch_id.className = 'hide';
		menu_status[theid] = 'hide';
	    }
	}
}*/