var totalsize;
(function($) {
   $(document).ready( function() {
	totalsize = 0;
	$('#shopping-cart table#ctl01_CartGrid tbody tr').each(function() {
		var sizeval = $.trim($(this).find("td").slice(1,2).html());
		sizeval = sizeval.replace(' mb','');
		sizeval = Math.round(parseFloat(sizeval)*10)/100;
		totalsize += sizeval;
		$(this).find("td").slice(1,2).html(sizeval + ' MB');
	});
	$('#shopping-cart table#cart-item-details tr').each(function () {
		
		if($(this).find("td").slice(1,2).html() == "Total D/L Size (unzipped) :") {
			$(this).find("td").slice(2,3).html((Math.round(totalsize*100)/100) + ' MB');
		}
	});	
   });
 }) ( jQuery );