var aryImages = new Array();

aryImages[1] = "img1/beachMollrg.jpg";
aryImages[2] = "img1/dovecotlrg.jpg";
aryImages[3] = "img1/growthlrg.jpg";
aryImages[4] = "img1/whalleylrg.jpg";
aryImages[5] = "img1/sceniclrg.jpg";
aryImages[6] = "img1/autumn_crunch.jpg";
aryImages[7] = "img1/sunshadow.jpg";
aryImages[8] = "img1/treesquirrel.jpg";
aryImages[9] = "img1/raven1.1.jpg";
aryImages[10] = "img1/Bellagio1.1.jpg";
aryImages[11] = "img1/conker.jpg";
aryImages[12] = "img1/rose.jpg";
aryImages[13] = "img1/church.jpg";
aryImages[14] = "img1/robin_cat.jpg";
aryImages[15] = "img1/gull.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];
}