function validateEmail(){
 if(document.form_subscribe.Address.value.length <= 0 || document.form_subscribe.Address.value == '*email address'){
  alert('Please enter an e-mail address.');
  return false;
 }else{
  return true;
 }
}

function validateReq(){
 if(document.callback.email.value.length <= 0 || callback.phone.value.length <= 0 ){
  alert('Please fill out this form completely');
  return false;
 }else{
  return true;
 }
}

function ClearReqName() {
  document.callback.name.value= "";
}
function ClearEmail() {
  document.callback.email.value= "";
}
function ClearTel() {
  document.callback.phone.value= "";
}