var arrPreloadImages = new Array();
function preloadImages(arrImgSrc) {
	var intIndexStart = arrPreloadImages.length;
	
	for (var i = 0; i < arrImgSrc.length; i++) {
		arrPreloadImages[intIndexStart + i] = new Image();
		arrPreloadImages[intIndexStart + i].src = arrImgSrc[i];
	}
}

function swapImage(objImg, strNewSrc) {
	objImg.src = strNewSrc;
}