window.onload = function() {
	if (Menu = document.getElementById('youdoor')) {
		var Nodes = Menu.getElementsByTagName('li');
		for (var i = 0; i < Nodes.length; i++) {
			Nodes[i].onmouseover = function() {
				var Childs = this.getElementsByTagName('ul');
				if (Childs.length) Childs[0].style.visibility = 'visible';
			}
			Nodes[i].onmouseout = function() {
				var Childs = this.getElementsByTagName('ul'); 
				if (Childs.length) Childs[0].style.visibility = 'hidden';
			}
		}
	}
	if (List = document.getElementById('list')) {
		var nodes = List.getElementsByTagName('tr');
		for (var i=0; i<nodes.length; i++) {
			nodes[i].onmouseover = function() { this.style.backgroundColor = '#f4f4f4'; }
			nodes[i].onmouseout = function() { this.style.backgroundColor = '#fff'; }
		}
	}
}

function CheckEmail(Address) {
	return (/^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,6}$/i).test(Address);
}

function CheckLength(Data, Limit) {
	return (Data.length > Limit) ? 0 : 1;
}