//------------------------------------------------------------------
function check_placemat_design (popUp)
//------------------------------------------------------------------
{
var popup_index = popUp.selectedIndex;
var popup_value = popUp.options[popup_index].value;

  // Find the 2nd design field.
  var selected_form = popUp.parentNode;

  var div_2nd_side = $(selected_form).find (".div_placemat_2nd_side");
  var design2 = $(selected_form).find (".placemat_2nd_Design");
  var side2_name = $(selected_form).find (".placemat_Side2_Name");

  var price = 14;
  var unit_price = $(selected_form).find ("#unit_price");

  // If a Double-sided design is selected, there may be new fields required.
  if (popup_value.indexOf ("Double") != -1)
  {
    // User has selected a Double-sided design.
    price = 18;

    // Enable the fields of the 2nd side of the placemat.

    // Display the outer div.
    $(div_2nd_side).attr ('style', "display:inline");

    // Enable the 2nd Design
// For some reason setting the disabled attr to "" stopped working 
// "all of a sudden"; I changed it to removeAttr and now it works...
//    $(design2).attr ('disabled', "");
    $(design2).removeAttr ('disabled');

    // Enable the 2nd Name field.
//    $(side2_name).attr ('disabled', "");
    $(side2_name).removeAttr ('disabled');
  }
  else
  {
    // User has selected a Single-sided design.  Disable 2nd design.
    // Disable the fields of the 2nd side of the placemat.
    $(div_2nd_side).attr ('style', "display:none");

    // Disable the 2nd Design
    $(design2).attr ('disabled', "true");

    // Disable the 2nd Name field.
    $(side2_name).attr ('disabled', "true");

    // Disable the age field.
    var side2_age = $(selected_form).find (".div_placemat_2nd_side_age");
    var age_field = $(side2_age).find (".required_number");
    $(age_field).attr ('disabled', "true");

    // Disable the surname field.
    var side2_surname = $(selected_form).find (".div_placemat_2nd_side_surname");
    var surname_field = $(side2_surname).find (".required_text");
    $(surname_field).attr ('disabled', "true");
  }
  // Set the correct price.
  $(unit_price).attr ('value', price);
}

//------------------------------------------------------------------
function placemats_add_2nd_side_fields (popUp)
//------------------------------------------------------------------
{
var popup_index = popUp.selectedIndex;
var popup_value = popUp.options[popup_index].value;

  // Get the parent form.
  // HAVE TO GET THE PARENT OF THE PARENT BECAUSE THE CURRENT NODE IS IN A DIV.
  var selected_form = popUp.parentNode.parentNode;

  // Check special fields.
  var side2_age = $(selected_form).find (".div_placemat_2nd_side_age");
  var side2_surname = $(selected_form).find (".div_placemat_2nd_side_surname");

  // For Birthday placemats add the age field.
  if (popup_value.indexOf ("Birthday") != -1)
  { 
    // Display age
    $(side2_age).attr ('style', "display:inline");
   
//    $(side2_age).attr ('disabled', "");
    $(side2_age).removeAttr ('disabled');

    // Enable the age field.
    var age_field = $(side2_age).find (".required_number");
//    $(age_field).attr ('disabled', "");
    $(age_field).removeAttr ('disabled');
  }
  else
  {
    // Don't display age
    $(side2_age).attr ('style', "display:none");
    $(side2_age).attr ('disabled', "true");

    // Disable the age field.
    var age_field = $(side2_age).find (".required_number");
    $(age_field).attr ('disabled', "true");
  }

  // For Printing Practice add the surname field.
  if (popup_value == "Printing Practice")
  { 
    // Display surname.
    $(side2_surname).attr ('style', "display:inline");
//    $(side2_surname).attr ('disabled', "");
    $(side2_surname).removeAttr ('disabled');

    // Enable the surname.
    var surname_field = $(side2_surname).find (".required_text");
//    $(surname_field).attr ('disabled', "");
    $(surname_field).removeAttr ('disabled');
  }
  else
  { 
    // Don't display surname.
    $(side2_surname).attr ('style', "display:none");
    $(side2_surname).attr ('disabled', "true");

    // Disable the surname field.
    var surname_field = $(side2_surname).find (".required_text");
    $(surname_field).attr ('disabled', "true");
  }
}

//------------------------------------------------------------------
function placemats_set_2nd_side_name (side1_name)
//------------------------------------------------------------------
{
var value_of_side1_name = $(side1_name).attr ("value");

  var selected_form = side1_name.parentNode;
  // Get the side 2 name value.  If it isn't set, set it to name 1.
  var side2_name = $(selected_form).find (".placemat_Side2_Name");
  var value_of_side2_name = $(side2_name).attr ("value");
  if (!value_of_side2_name)
  {
    $(side2_name).attr ('value', value_of_side1_name);
  }
}