if (window.jQuery) {
	(function($) {
		var totalChecks = 0,
		    maxChecks = 4;
		function testMax(sel) {
			if (sel.attr("checked")) {
				if (totalChecks >= maxChecks) {
					alert("Please select no more than four items. Sorry!");
					sel.removeAttr("checked"); 
				} else {
					totalChecks++;
				}
			} else {
				totalChecks--;
			}
		}
		$(document).ready( function() {
		    $('.eshop fieldset input:checkbox').click(function() { testMax($(this)); });
		    $('.eshopbutton:submit').click(function () { 
			 if ($(this).parent().children('input[name=pname]').val() == 'Gift Pack') {
				 if ($(this).parent().children('fieldset').children('span').children('input:checkbox').length && totalChecks < maxChecks) {
					alert('Please select a total of four items for the gift pack. Thanks!');
					return false;
				 }
			 }	
			 return true;
		    });
		});
	})(window.jQuery);
}