var toPreload = new Array('moreO.png');
var preloaded = new Array();
var len = 0;
for (var i = 0; i < toPreload.length; i++) {
	tempImage = new Image();
	tempImage.src = 'images/'+toPreload[i]
	preloaded[i] = tempImage;
}
function swapImage(imageId,swapTo) {
	document.getElementById(imageId).src = swapTo;
}