gistfile1.txt

//Add a method to the validator that checks to see if at least one of the
//  three checkboxes specified are checked.
jQuery.validator.addMethod('atLeastOneChecked', function(value, element) {
       var checkedCount = 0;

       if (jQuery('#checkBoxListOne').is(':checked')){
               checkedCount += 1;
       }

       if (jQuery('#checkBoxListTwo').is(':checked')){
               checkedCount += 1;
       }

       if (jQuery('#checkBoxListThree').is(':checked')){
               checkedCount += 1;
       }

       return checkedCount > 0;
});