var username = "username";
var npart = "info";
var hostname = "yourdomain.com";
var apart1 = "design";
var apart2 = "maine.com";
var linktext = "Email us";
var subject = "?Subject=Website Inquiry";
document.write("<a href=\"" + "mail" + "to:" + npart +
"@" + apart1 + apart2 + subject + "\">" + linktext + "</a>")