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

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