function getposOffset(overlay, offsettype) {
	var totaloffset = (offsettype == "left") ? overlay.offsetLeft : overlay.offsetTop;
	var parentEl = overlay.offsetParent;
	while (parentEl != null) {
		totaloffset = (offsettype == "left") ? totaloffset + parentEl.offsetLeft : totaloffset + parentEl.offsetTop;
		parentEl = parentEl.offsetParent;
	}
	return totaloffset;
}
function overlay(dest, subobj) {
	if (document.getElementById) {
		var subobj = document.getElementById(subobj);
		var tandc=document.getElementById('tandcsc');
		var curobj = document.getElementById(dest);
		tandc.src='http://www.bizaxiom.com/tandc.html';
		subobj.style.left = getposOffset(curobj, "left") + "px";
		subobj.style.top = getposOffset(curobj, "top") + "px";
		subobj.style.display = "block";
		return false;
	} else {
		return true;
	}
}
function overlayclose(subobj){
	document.getElementById(subobj).style.display = "none";
}