function initPage()
{
	var nav_exists = 0;
	if(document.getElementById("navigation") == null)
	{
		nav_exists = 0;
	}
	else
	{
		nav_exists = 1;
		var nav = document.getElementById("navigation");
	}
	var navs_exists = 0;
	if(document.getElementById("nav-table") == null)
	{
		navs_exists = 0;
	}
	else
	{
		navs_exists = 1;
		var navs = document.getElementById("nav-table");
	}
	
	
	
	if (nav_exists)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i = 0; i < nodes.length; i++)
		{
			nodes[i].onmouseover = function () 
			{
				if (this.className.indexOf("hover") == -1)
				{
					this.className += " hover";
				}
			}
			nodes[i].onmouseout = function ()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
	
	if (nav_exists && navs_exists)
	{
		
		var nodes = navs.getElementsByTagName("tr");
		for (var i = 0; i < nodes.length; i++)
		{
			nodes[i].onmouseover = function () 
			{
				if (this.className.indexOf("hover") == -1)
				{
					this.className += " hover";
				}
			}
			nodes[i].onmouseout = function ()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}
if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initPage);