$(document).ready(function() { 
    $("#airdate").tablesorter({ 
        headers: { 
            1: { 
                sorter: false
            },			
            2: { 
                sorter:'currency'
            }
        }       		
    });
	$("#airdate img[title]").tooltip({
        effect: 'slide',
        direction: 'right',
		position: 'bottom right'
	});
	$("#png").tooltip({
        effect: 'slide',
        direction: 'up',
		position: 'top',
		opacity: 0.7
	});
  });

  $(function() { 
 
    // if the function argument is given to overlay, 
    // it is assumed to be the onBeforeLoad event listener 
    $("a[rel]").overlay({ 
 
        expose: 'grey', 
        effect: 'apple', 
 
        onBeforeLoad: function() { 
 
            // grab wrapper element inside content 
            var wrap = this.getContent().find(".contentWrap"); 
 
            // load the page specified in the trigger 
            wrap.load(this.getTrigger().attr("href")); 
        } 
 
    }); 
});