preloadImages([
	'images/color-list-bg1-hover.png', 
	'images/color-list-bg2-hover.png', 
	'images/color-list-bg3-hover.png', 
	'images/color-list-bg4-hover.png', 
	'images/extra-bg.png', 
	'images/extra-bg-2.png', 
	'images/extra-bg-3.png', 
	'images/extra-bg-4.png']);