if (document.images)
	{
		s1on = new Image();
		s1on.src = "img/sw1on.gif";
		
		s2on = new Image();
		s2on.src = "img/sw2on.gif";
		
		s3on = new Image();
		s3on.src = "img/sw3on.gif";
		
		s4on = new Image();
		s4on.src = "img/sw4on.gif";
		
		s5on = new Image();
		s5on.src = "img/sw5on.gif";
		
		h1on = new Image();
		h1on.src = "img/hw1on.gif";

		h2on = new Image();
		h2on.src = "img/hw2on.gif";
		
		h3on = new Image();
		h3on.src = "img/hw3on.gif";
		
		h4on = new Image();
		h4on.src = "img/hw4on.gif";
		
		h5on = new Image();
		h5on.src = "img/hw5on.gif";
	}