function swapImage(which, id) {

var intImage = which;
var imgID = id;

if (intImage==2) {

	document.getElementById(imgID).src = "../galleries/main/thumb_maingal" + imgID + "_1.jpg";
	return;
}

if (intImage==1) {

	document.getElementById(imgID).src = "../galleries/main/thumb_maingal" + imgID + ".jpg";
	return;
}

}