function initNav()
{
	var navRoot = document.getElementById("top-nav");
	if(navRoot)
	{	
		var lis = navRoot.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(new RegExp("hover"),"");
			}
		}
	}
	var form = document.getElementById("form1");
	if(form)
	{
		var inputs = form.getElementsByTagName("input");
		for(var i = 0; i < inputs.length; i++)
		{
			if(inputs[i].type == "submit")
			{
				inputs[i].onmouseover = function()
				{
					this.className += " hover";
				}
				inputs[i].onmouseout = function()
				{
					this.className = this.className.replace(new RegExp("hover"), "");
				}				
			}
		}
	}
}

if (window.addEventListener)
	window.addEventListener("load", initNav, false);
else if (window.attachEvent)
	window.attachEvent("onload", initNav);