var string1 = ".";
var numero2 = "ai";
document.write("<a href=\"m" + numero2 + "lto:%62%65%63%61%75%73%65%69%6e%74%65%72%6e%65%74&#64;%67%6d%61%69%6c" + string1 + "%63%6f%6d\">contact</a>");

