function mt(name, domain, subject, body) {
	if (subject == '' && body == '') 
		location.href = 'mailto:' + name + '@' + domain;
	else if(subject == '') 
		location.href = 'mailto:' + name + '@' + domain + '?body=' + body;
	else if(body == '')	
		location.href = 'mailto:' + name + '@' + domain + '?subject=' + subject;
	else 
		location.href = 'mailto:' + name + '@' + domain + '?subject=' + subject + '&body=' + body;
}