var myimages = new Array();

function preload() {
	for (x = 0; x < preload.arguments.length; x++) {
		myimages[x] = new Image();
		myimages[x].src = preload.arguments[x];
	}
}

preload("/images/button1_on.gif", "/images/button2_on.gif", "/images/button3_on.gif", "/images/button4_on.gif", "/images/button5_on.gif", "/images/button6_on.gif", "/images/button7_on.gif");