function swap(image,paraId) {
	defaultImg = eval("document." + defaultOn);

	docImage = eval("document." + image);
	paraObj = eval("document.getElementById('" + paraId + "')");
	imageSrc = docImage.src;
	if (imageSrc.indexOf("on") != -1) {
		docImage.src = offImages[image];
		paraObj.style.display = "none";
		defaultImg.src = ovrImages[defaultOn];
		//alert("turning off");
	}
	else {
		docImage.src = ovrImages[image];
		paraObj.style.display = "block";
		defaultImg.src = offImages[defaultOn];
		//alert("turning ON");
	}
}