$(document).ready(function(){
	 $('#deliveryInfo').click(function() {
        $('#deliveryInfoContent').show();
        $('#returnPolicyContent').hide();
       
        $(this).attr('class', "delivery-info");
        $('#returnPolicy').attr('class', "returns-policy");
    });
   
   
  
    $('#returnPolicy').click(function() {
        $('#returnPolicyContent').show();
        $('#deliveryInfoContent').hide();
       
        $(this).attr('class', "returns-policy-a");
        $('#deliveryInfo').attr('class', "delivery-info-a");
    });
});