var Timer;
window.clearInterval(Timer);
function SubMenu() {
	window.clearInterval(Timer);
	document.getElementById('submenu').style.display = 'block';
	Timer = window.setInterval('SubMenuHide()',2500);
}
function SubMenuHide() {
	window.clearInterval(Timer);
	document.getElementById('submenu').style.display = 'none';
}	
function ClearTimer() {
	window.clearInterval(Timer);
}