/* Works in FF 1.0 & 1.5, NS6, IE5 & 6, Safari 1.3, Opera 7.5, 8 & 9, Konqueror 3.3.1, 
   Camino 1.0, Shiira 1.2.
   Fails in NS 4.03. */
var s = "mailto:" + String.fromCharCode(0x77, 0x65, 0x62, 0x40, 0x6e, 0x6f, 0x72, 0x77, 0x69, 0x63, 0x68, 0x2e, 0x64, 0x65);

elements = document.getElementsByName("contact");
for (var i = 0; i < elements.length; i++) {
    e = elements[i];
    
    if (e.getAttribute && e.getAttribute("href") && e.setAttribute)
        e.setAttribute("href", s);
}