function html_mail_to(a_sEmailName, a_sEmailDomain, a_sEmailSubject, a_sEmailBody) {
	sLocation = 'mailto:' + a_sEmailName + '@' + a_sEmailDomain;
	if (a_sEmailSubject && a_sEmailBody) {
		sLocation += '?subject=' + a_sEmailSubject;
		sLocation += '&body=' + a_sEmailBody;
	} else if (a_sEmailSubject) {
		sLocation += '?subject=' + a_sEmailSubject;
	} else if (a_sEmailBody) {
		sLocation += '?body=' + a_sEmailBody;
	}
	
	location.href = sLocation;
}