function menuHover(object,cls)
{
	object.className = cls;
}
function menuHover2(tbl, idx, cls)
{		
	var t, d;
	if (document.getElementById)
		t = document.getElementById(tbl);
	else
		t = document.all(tbl);
	if (t == null) return;
	if (t.getElementsByTagName)
		d = t.getElementsByTagName("TD");
	else
		d = t.all.tags("TD");
	if (d == null) return;
	if (d.length <= idx) return;
	d[idx].className = cls;
}
function openwin(filename, windowname, height, width)
{
	popup = window.open(filename,windowname,"resizable=no,scrollbars=no,status=no,height="+height+",width="+width);
	popup.focus();
}


/* Start menu javascript */
var homeBtnOFF = new Image();
homeBtnOFF.src = "/images/home_nav_button.gif";
var homeBtnON = new Image();
homeBtnON.src = "/images/home_over_button.gif";

var registerBtnOFF = new Image();
registerBtnOFF.src = "/images/register_nav_button.gif";
var registerBtnON = new Image();
registerBtnON.src = "/images/register_over_button.gif";

var mainrssBtnOFF = new Image();
mainrssBtnOFF.src = "/images/mainrss_nav_button.gif";
var mainrssBtnON = new Image();
mainrssBtnON.src = "/images/mainrss_over_button.gif";

var customrssBtnOFF = new Image();
customrssBtnOFF.src = "/images/customrss_nav_button.gif";
var customrssBtnON = new Image();
customrssBtnON.src = "/images/customrss_over_button.gif";

var programBtnOFF = new Image();
programBtnOFF.src = "/images/program_nav_button.gif";
var programBtnON = new Image();
programBtnON.src = "/images/program_over_button.gif";

var presenterBtnOFF = new Image();
presenterBtnOFF.src = "/images/presenter_nav_button.gif";
var presenterBtnON = new Image();
presenterBtnON.src = "/images/presenter_over_button.gif";

var sponsorsBtnOFF = new Image();
sponsorsBtnOFF.src = "/images/sponsors_nav_button.gif";
var sponsorsBtnON = new Image();
sponsorsBtnON.src = "/images/sponsors_over_button.gif";

var bossBtnOFF = new Image();
bossBtnOFF.src = "/images/boss_nav_button.gif";
var bossBtnON = new Image();
bossBtnON.src = "/images/boss_over_button.gif";	

var webcastsBtnOFF = new Image();
webcastsBtnOFF.src = "/images/webcasts_button.gif";
var webcastsBtnON = new Image();
webcastsBtnON.src = "/images/webcasts_over_button.gif";	

function display(name, imgUrl){
	if (document.images && typeof imgUrl != 'undefined')
	{
		document[name].src = imgUrl.src;
	}
}