function initNav() {
	if (typeof document.body.style.maxHeight == 'undefined') {
		var nav = document.getElementById("nav");
		var lis = nav.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++)
		{
			lis[i].onmouseover = function()
			{
				this.className += " hover";
			}
			lis[i].onmouseout = function()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}

function initDropDown()
{
	var nav = document.getElementById("nav");
	if(nav) {
		var lis = nav.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++) {
			if(lis[i].getElementsByTagName("ul").length > 0) {
				lis[i].className += " has-drop-down"
				lis[i].getElementsByTagName("a")[0].className += " has-drop-down-a"
			}
			lis[i].onmouseover = function()	{
				this.className += " hover";
			}
			lis[i].onmouseout = function() {
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}
function initPage() {
	initDropDown();
}
if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage)
	
if (document.all && !window.opera)
	attachEvent("onload", initNav);