jQuery(document).ready
(
	function()
	{
		jQuery('div.arrival-heading2 a').click
		(
			function()
			{
				// get initail value of the "order_by" and "order"
				
				var initial_order_by 	= jQuery('#resultTableForm :input[name=order_by]').val();
				
				var initial_order		= jQuery('#resultTableForm :input[name=order]').val();
				
				// new value of the "order_by" and "order"
				//alert(initial_order);
				var order_by 			= jQuery(this).attr('name');
				
				var order 				= 'ASC';
				
				if( initial_order_by == order_by )
				{
					if( initial_order == 'ASC' )
					{
						order = 'DESC';
					}
				}
				
				jQuery('#resultTableForm :input[name=order_by]').val(order_by);
				
				jQuery('#resultTableForm :input[name=order]').val(order);
				
				jQuery('#resultTableForm').submit();
				
				return false;
			}
		)
		;
	}
)
;