function initNav()
{
	var nav = document.getElementById("horiz-menu");
	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(new RegExp("hover"),"");
		}
	}

	var _nav = document.getElementById("right-column");
	var _lis = _nav.getElementsByTagName("span");
	for (var i=0; i<_lis.length; i++)
	{
		if (_lis[i].className.indexOf("popup-cont") != -1) {
			_lis[i].onmouseover = function()
			{
				this.className += " hover";
	                }
			_lis[i].onmouseout = function()
			{
				this.className = this.className.replace(new RegExp(" hover"),"");
			}
		}
	}
}

if (window.attachEvent && !window.opera)
	attachEvent("onload", initNav);