$(document).ready(function() 
{
	
	$('.filter-open-close').toggle(
		function() 
		{
			$('#'+this.id+'div').slideUp( 500 );
			$(this).attr('src', 'images/open.gif');
		}, 
		function() 
		{
			$('#'+this.id+'div').slideDown( 500 );
			$(this).attr('src', 'images/close.gif');
		}
	);	
		
});