var user;
var domain;
var suffix;
var esubject;
var elabel;

function jemail(user, domain, suffix, esubject){
document.write('<a href="' + 'mailto:' + user + '@' + domain + '.' + suffix + '?subject=' + esubject + '">e-mail</a>');
}

function jemailtext(user, domain, suffix, esubject, elabel){
document.write('<a href="' + 'mailto:' + user + '@' + domain + '.' + suffix + '?subject=' + esubject + '">' + elabel + '</a>');
}