hs.graphicsDir = 'js/graphics/';
hs.fadeInOut = true;
hs.dimmingOpacity = 0.85;
hs.showCredits=false;
hs.align = 'center';
hs.dimmingDuration = 250;
hs.width=735;
hs.height=455;
hs.outlineType = null;
hs.wrapperClassName = 'borderless-html';
hs.registerOverlay({
	html: '<div class="closebutton" onclick="return hs.close(this)" title="Close"></div>',
	position: 'top right',
	useOnHtml: true
//	fade: 2 // fading the semi-transparent overlay looks bad in IE
});