function submitForm(){
  document.forms.subscribe.email.value = document.forms.subscribe.email.value.toLowerCase();
  document.forms.subscribe.email_confirm.value = document.forms.subscribe.email_confirm.value.toLowerCase();
 
  if(!document.forms.subscribe.email.value.toLowerCase().match("^[0-9a-z_]([-_.]?[0-9a-z])*@[0-9a-z][-.0-9a-z]*\\.[a-z]{2,4}[.]?$")){
    alert("Please enter a valid email address.");
    document.forms.subscribe.email.focus();
    return false;
  }
  
  if (document.forms.subscribe.email.value.toLowerCase() != document.forms.subscribe.email_confirm.value.toLowerCase()) {
    alert("The email addresses don't match.");
    document.forms.subscribe.email.focus();
    return false;
  }
  
} 

function disableSelect(){
     event.returnValue = false;
}