function loadBackground()
	{
		var strBackground
	
		if (screen.width > 1536 || screen.height > 1152)
			strBackground = '#663333 url(images/watermark4.jpg) fixed no-repeat center center';
		else if (screen.width > 1024 || screen.height > 768)
			strBackground = '#663333 url(images/watermark3.jpg) fixed no-repeat center center';
		else
			strBackground = '#663333 url(images/watermark2.jpg) fixed no-repeat center center';
	
		document.getElementsByTagName("Body")[0].style.background = strBackground;
	}