// function to generate email link to hide it from spam crawlers
function hide_email(to,url,target) {
	sb_target = "";
	sb_domain = "asel.udel.edu";
	if (target != "") {
		sb_target = " target='" + target + "'";
	}
	if (url != "") {
		sb_domain = url;
	}
	sb_user = to;
	sb_recipient = sb_user + "@" + sb_domain;
	sb_url = "mailto:" + sb_recipient + sb_target;
	return sb_recipient.link(sb_url)
	//document.write(sb_recipient.link(sb_url));
}