hs.outlineType = 'rounded-white';
	hs.wrapperClassName = 'draggable-header';
	hs.align = 'center';
	hs.showCredits = 0;
  	hs.dimmingOpacity = 0.75;
	hs.height = 500;
	hs.width = 950;
	
	hs.registerOverlay({  // add the close button 
		overlayId: 'closebutton',
		position: 'top right',
		fade: 2, // fading the semi-transparent overlay looks bad in IE
		useOnHtml: true
		});