// email_link
function email_link(strDomain, strUser, strHTML, strSubject)
{
	var strFullAddress = strUser + "@" + strDomain;
	
	if (!strHTML) {
		strHTML = strFullAddress;
	}
	
	var strURL = "mailto:" + strFullAddress;
	if (strSubject) {
		strURL += "?subject=" + escape(strSubject);
	}
	
	return '<a href="' + strURL + '">' + strHTML + '</a>';
}