window.onload = rolloverInit;

function rolloverInit() {
	document.getElementById('services').onmouseover = ShowMenu;
	document.getElementById('services').onmouseout = HideMenu;	
}

function ShowMenu() {
	document.getElementById('services-dropdown').style.display = "block";
}

function HideMenu() {
	document.getElementById('services-dropdown').style.display = "none";
}