var ident, ident2;
function ShowMenu(num) {
	StopTimer();
	HideMenus();
	eval("document.getElementById('menu"+String(num)+"').style.visibility = 'visible';");
}
function HideMenus() {
	for (var i = 0; i < arrMenu_elements.length; i++) {
		eval("document.getElementById('menu"+String(arrMenu_elements[i])+"').style.visibility = 'hidden';");
	}
}
function StartTimer() {
	ident=window.setTimeout("HideMenus()",500);
}
function StopTimer() {
	window.clearTimeout(ident);
}

function ShowMenu2(num) {
	StopTimer2();
	HideMenus2();
	eval("document.getElementById('menu"+String(num)+"').style.visibility = 'visible';");
}
function HideMenus2() {
	for (var i = 0; i < arrMenu_elements2.length; i++) {
		eval("document.getElementById('menu"+String(arrMenu_elements2[i])+"').style.visibility = 'hidden';");
	}
}
function StartTimer2() {
	ident2=window.setTimeout("HideMenus2()",500);
}
function StopTimer2() {
	//alert('stop');
	window.clearTimeout(ident2);
}