function swapImage(p_objImage) {
	var sImageName = p_objImage.id;
	var sRightThree = sImageName.substring(sImageName.length - 3, sImageName.length)

	if (sRightThree == "_on") {
		p_objImage.id = sImageName.substring(0, sImageName.length - 3);
	} else {
		p_objImage.id = p_objImage.id + "_on";
	}
	
	p_objImage.src = "/images/002/" + p_objImage.id + ".gif";
}