function initNavigation()
{
	var nav = document.getElementById("nav");
	if (nav)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i = 0; i < nodes.length; i++)
		{
			if (nodes[i].parentNode.id == "nav")
			{
				nodes[i].onmouseover = function () 
				{
					this.className += " hover";
					if(this.getElementsByTagName("ul")[0])
					{
						hideSelectBoxes(this.getElementsByTagName("ul")[0]);
					}
				}
				nodes[i].onmouseout = function ()
				{
					this.className = this.className.replace(" hover", "");
					if(this.getElementsByTagName("ul")[0])
					{
						showSelectBoxes(this.getElementsByTagName("ul")[0]);
					}
				}
			}
		}
	}
}

if (window.attachEvent)
	window.attachEvent("onload", initNavigation);

function highlightCurrentNavSection(sectionName) {
	var nav = document.getElementById("nav");
	if (nav) {
		var nodes = nav.getElementsByTagName("li");
		for (var i = 0; i < nodes.length; i++) {
			if (nodes[i].id == sectionName) {
				nodes[i].className += " active";
				break;
			}
		}
	}
}