if (document.images) 
	{ 
		image1 = new Image 
		image2 = new Image 
		image3 = new Image 
		image4 = new Image
		image1.src = 'pics/blueglobeoff.gif' 
		image2.src = 'pics/blueglobeon.gif' 
		image3.src = 'pics/logouscsoff.gif' 
		image4.src = 'pics/logouscson.gif'
	}