//dynamic navigation

initNav = function() {
	if (document.all && document.getElementById)
	{
		var navRootVertical = document.getElementById("main-navigation") ;
		//var navRootHorizon = document.getElementById("main-navigation2");
		
		initMenuItems(navRootVertical);
		//initMenuItems(navRootHorizon);
	}
}

function initMenuItems(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(" hover", "");
		}
	}
}

if (document.all && window.attachEvent)
	attachEvent("onload", initNav);