var Name = document.listSub.elements["name"];
Name.onfocus=function() {
    var fn = document.listSub.elements["name"];
    if (fn.value=="First Name") fn.value="";
};
Name.onblur=function() {
    var fn = document.listSub.elements["name"];
    if (fn.value=="") fn.value="First Name";
};


var Email = document.listSub.elements["email"];
Email.onfocus=function() {
    var fn = document.listSub.elements["email"];
    if (fn.value=="Email Address") fn.value="";
};
Email.onblur=function() {
    var fn = document.listSub.elements["email"];
    if (fn.value=="") fn.value="Email Address";
};


var Zip = document.listSub.elements["field[3]"];
Zip.onfocus=function() {
    var fn = document.listSub.elements["field[3]"];
    if (fn.value=="Zip Code") fn.value="";
};
Zip.onblur=function() {
    var fn = document.listSub.elements["field[3]"];
    if (fn.value=="") fn.value="Zip Code";
};