navTimer = null;
currentNav = 0;
function mainNavOver(o_div){
				if(currentNav)currentNav.className = "";
				clearTimeout(navTimer);
				o_div.className="navOver";
}
function mainNavOut(o_div){
				currentNav = o_div;
				navTimer = setTimeout('currentNav.className=""',1);
}
function launchWindow(url,w,h) 
{
	winName = "_new"
	if (!h) 
	{
		popHeight = screen.availHeight - 100;
	} else {
		popHeight = h;
	}
	winParams = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=' + w + ',height=' + popHeight;
	newwin = window.open(url, winName, winParams);
	newwin.focus();
}