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/menu/mnu_home.gif";
var homeBtnON = new Image();
homeBtnON.src = "/images/menu/mnu_home_over.gif";

var registerBtnOFF = new Image();
registerBtnOFF.src = "/images/menu/mnu_register.gif";
var registerBtnON = new Image();
registerBtnON.src = "/images/menu/mnu_register_over.gif";

var mainrssBtnOFF = new Image();
mainrssBtnOFF.src = "/images/menu/mnu_rss.gif";
var mainrssBtnON = new Image();
mainrssBtnON.src = "/images/menu/mnu_rss_over.gif";

var customrssBtnOFF = new Image();
customrssBtnOFF.src = "/images/menu/mnu_custom_rss.gif";
var customrssBtnON = new Image();
customrssBtnON.src = "/images/menu/mnu_custom_rss_over.gif";

var presenterBtnOFF = new Image();
presenterBtnOFF.src = "/images/menu/mnu_bios.gif";
var presenterBtnON = new Image();
presenterBtnON.src = "/images/menu/mnu_bios_over.gif";

var sponsorsBtnOFF = new Image();
sponsorsBtnOFF.src = "/images/menu/mnu_sponsors.gif";
var sponsorsBtnON = new Image();
sponsorsBtnON.src = "/images/menu/mnu_sponsors_over.gif";

var webcastsBtnOFF = new Image();
webcastsBtnOFF.src = "/images/menu/mnu_webcasts.gif";
var webcastsBtnON = new Image();
webcastsBtnON.src = "/images/menu/mnu_webcasts_over.gif";	

function display(imgID, imgUrl){
	if (document.images && typeof imgUrl != 'undefined')
	{
	    document.getElementById(imgID).src = imgUrl.src
	}
}