var blank = new Image();
var amoOver = new Image();
var brianOver = new Image();
var terryOver = new Image();

if(document.images)
{
	blank.src = 'images/blankHead.gif';
	amoOver.src = 'images/amo1.gif';
	brianOver.src = 'images/brian1.gif';
	terryOver.src = 'images/terry1.gif';
}