terms_off = new Image();
terms_off.src = 'images/terms.jpg';
terms_on = new Image();
terms_on.src = 'images/terms_on.jpg';

privacy_off = new Image();
privacy_off.src = 'images/privacy.jpg';
privacy_on = new Image();
privacy_on.src = 'images/privacy_on.jpg';

corp_off = new Image();
corp_off.src = 'images/corporate.jpg';
corp_on = new Image();
corp_on.src = 'images/corporate_on.jpg';

function swapImg(imgDocID, imgObjName) {
	document.images[imgDocID].src = eval(imgObjName + ".src");
}