// JavaScript Document
var aryImages = new Array("images/appt.jpg", "images/appt_hover.jpg");

for (i=0; i<aryImages.length; i++){
	var preload = new Image();
	preload.src = aryImages[i];
}

function swap(imgIndex, imgTarget){
	document[imgTarget].src = aryImages[imgIndex];	
}