var popWindow;
function submit_form() {
if (popWindow) popWindow.close;
var form = document.forms.subscribe;
if (form.elements['button'].value == "dl") {
form.submit();
return;
}
var message_element = document.getElementById('error_message');
var element = form.elements['ae'];
value = element.value;
value = value.replace(/^\s+/, '');
value = value.replace(/\s+$/, '');
element.value = value;
var ae = value;
if (!ae.match(/^[A-Z0-9._%+-]+@(?:[A-Z0-9-]+\.)+[A-Z]{2,4}$/i)) {
message_element.innerHTML = 'Please enter a valid email address.';
form.elements['ae'].focus();
return;
}
var html = ''
+ ''
+ ''
+ 'Subscribe'
+ ''
+ ''
+ ''
+ '