function send_auction_request()
{
	var formular = $('newsletter_form');
	
	new Ajax.Request('newsletter_engine.php',
		{
			method:'post',
			parameters: { name: document.getElementById('newsletter_name').value, email: document.getElementById('newsletter_email').value, action: 'insert', checksum: 'adASAfWE4343DF3$FF.Io' }, 
			onLoading: function(){
				document.getElementById('form_error').style.display = 'none';
				document.getElementById('form_loading').style.display = 'inline';
			},
			onSuccess: function(transport){
				var response = transport.responseText;
				document.getElementById('form_loading').style.display = 'none';
				document.getElementById('form_error').style.display = 'inline';
				formular.replace(response);
			},
			onFailure: function(){ alert('Something went wrong...') }
		})
}

function newsletter_check()
{
	email = document.getElementById('newsletter_email').value;
 
	if ((email == "") || (email.indexOf ('@', 0) == -1) || (email.indexOf ('.', 0) == -1) || (email.length < 6|| email.indexOf ('.',0) == -1)) { alert('Ihre Email-Adresse ist nicht korrekt') }
	else { send_auction_request(); }
}