$(document).ready(function(){

	// if any of hte tab links are clicked
	$('#tab_links a').click(function(event){
				
				event.preventDefault();							 
				
				$id = '#' + $(this).attr('id') + '_content';
				
				// fade out hide all divs in tab_content
				$('#tab_content div:visible').fadeOut('fast', function(){
															   	$($id).fadeIn('slow');
															   });
	 });
});