var email1= "webmaster";
var email2= "woodpeckerwoodfield";
var email3= "co";
var email4= "uk";
document.write("<A HREF=" + "mail" + "to:" + email1 + "@" + email2 + "." + email3 + "." + email4 + ">" + email1 + "@" + email2 + "." + email3 + "." + email4 + "</a>")