function addContact() { 
	var url = 'ajax/add_address_book.php';
	new Ajax.Updater('err_msg', url, {	parameters: $('openinviter').serialize(true),
															onCreate:	function(transport) {
																		$('err_msg').show(); 							
																		$('err_msg').update('Connecting...');
																		},
															onFailure:	function(transport) {
																		$('err_msg').show();																		
																		new Effect.Highlight($('err_msg'), { startcolor: '#990000', endcolor: '#ffffff'});
																		},
															onSuccess:	function(transport) {
																		$('add_address_book').hide();
																		$('list_address').show();																		
																		new Effect.Highlight($('err_msg'), { startcolor: '#990000', endcolor: '#ffffff'});
																		}
														}
					);
	}