var aryImages = new Array();

aryImages[1] = "images/products/shoulder/md_side_whm.gif";
aryImages[2] = "images/products/shoulder/md_front_whm.gif";
aryImages[3] = "images/products/shoulder/md_top_whm.gif";
aryImages[4] = "images/products/carotid/md_side.gif";
aryImages[5] = "images/products/carotid/md_front.gif";
aryImages[6] = "images/products/carotid/md_top.gif";
aryImages[7] = "images/products/torso/md_side_wh.gif";
aryImages[8] = "images/products/torso/md_front_wh.gif";
aryImages[9] = "images/products/torso/md_top_wh.gif";
aryImages[10] = "images/products/cap/md_side.gif";
aryImages[11] = "images/products/cap/md_front.gif";
aryImages[12] = "images/products/cap/md_top.gif";
aryImages[13] = "images/products/flex/md_side_wh.gif";
aryImages[14] = "images/products/flex/md_front_wh.gif";
aryImages[15] = "images/products/flex/md_top_wh.gif";





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

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