// Functions for Premium Donations 
// Copyright (c) 2002 Covenant of the Goddess


// Constants.

// Set the premium donation date to today, formatted in IS0-8601 preferred format.
function setDate()
{
  // Format the current date per ISO-8601 preferred format.
  var now = new Date();
  var today = now.getFullYear().toString() + "-";
  if( now.getMonth() < 9 ) today += "0";
  today += ( now.getMonth() + 1 ).toString() + "-";
  if( now.getDate() < 10 ) today += "0";
  today += now.getDate().toString();
  document.premiums.premiumsdate.value = today;
}

// Validate the Premiums form.
function preparePremiumsSubmission()
{
  result=false;  // Return false to prevent submit, true to allow submit to procede.

  computeDonation();

  result = validatePremiumsForm();
  if( !result ) return result;

  return true;
}

// Compute the total donation amount.
function computeDonation()
{
  var totalDonation = 0.00;
  var amt;

  amt=eval( document.premium.Q_25.value);
  if( amt != null && amt > 0.00 )
     totalDonation += amt*eval( document.premium.P_25.value);

  amt=eval( document.premium.Q_clois.value);
  if( amt != null && amt > 0.00 )
     totalDonation += amt*eval( document.premium.P_clois.value);

  amt=eval( document.premium.Q_bowlSgr.value);
  if( amt != null && amt > 0.00 )
     totalDonation += amt*eval( document.premium.P_bowlSgr.value);

  amt=eval( document.premium.Q_bowlSyl.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_bowlSyl.value);

  amt=eval( document.premium.Q_bowlSbk.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_bowlSbk.value);

  amt=eval( document.premium.Q_bowlStq.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_bowlStq.value);

  amt=eval( document.premium.Q_bowlSany.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_bowlSany.value);
	  
	    amt=eval( document.premium.Q_01Tl.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_01Tl.value);

	    amt=eval( document.premium.Q_01Tx.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_01Tx.value);

	    amt=eval( document.premium.Q_01T2x.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_01T2x.value);

	    amt=eval( document.premium.Q_01Swx.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_01Swx.value);

	    amt=eval( document.premium.Q_book.value);
  if( amt != null && amt > 0.00 )
      totalDonation += amt*eval( document.premium.P_book.value);
  document.premium.totalamt.value = totalDonation;
}

// Validate the form fields.
function validatePremiumsForm()
{
  // Check for required fields that are empty.

  var emptyFields = "";
    
  if( document.premium.contactname.value == null || document.premium.contactname.value.length == 0 )
  {
    if( emptyFields.length > 0 ) emptyFields += ", ";
    emptyFields += "Contact Person"; 
  }
    
  if( document.premium.address.value == null || document.premium.address.value.length == 0 )
  {
    if( emptyFields.length > 0 ) emptyFields += ", ";
    emptyFields += "Street Address or Box #"; 
  }
    
  if( document.premium.city.value == null || document.premium.city.value.length == 0 )
  {
    if( emptyFields.length > 0 ) emptyFields += ", ";
    emptyFields += "City"; 
  }
  if( document.premium.country.options[ document.premium.country.selectedIndex].value == "US" ||
      document.premium.country.options[ document.premium.country.selectedIndex].value == "CA" )
  {
    // Must choose state / province if in US or Canada.
    if( document.premium.state.selectedIndex < 1 )
    {
      if( emptyFields.length > 0 ) emptyFields += ", ";
      emptyFields += "State/Province"; 
    }
  }
  else
  {
    // If not in US or Canada, don't choose any state / province.
    document.premium.state.selectedIndex = 0;
  }
    
  if( document.premium.zip.value == null || document.premium.zip.value.length == 0 )
  {
    if( emptyFields.length > 0 ) emptyFields += ", ";
    emptyFields += "Zip/Postal Code"; 
  }
    
  if( document.premium.email.value == null || document.premium.email.value.length == 0 )
  {
    if( emptyFields.length > 0 ) emptyFields += ", ";
    emptyFields += "Email of addressee"; 
  }
    
  if( document.premium.totalamt.value == null || document.premium.totalamt.value.length == 0 )
  {
    if( emptyFields.length > 0 ) emptyFields += ", ";
    emptyFields += "Donation Amount"; 
  }

  // Check for credit card name.

  var missingCreditCardName = false;
  if( document.premium.ccfirstname.value == null || document.premium.ccfirstname.value.length == 0 ||
      document.premium.cclastname.value == null || document.premium.cclastname.value.length == 0 )
    missingCreditCardName = true;
  

  // Assemble message string.
  
  var messages = "";

  if( emptyFields.length > 0 )
  {
    messages += "To enable your Premiums to be processed, please supply information for the following:\n  " + emptyFields + "\n";
  }

  if( missingCreditCardName )
  {
	messages += "In order to accept your Premiums payment, please supply a first name and a last name.\n";
  }

  // Display any messages to the user.
   
  var result = true;  // If valid true, else false.
  if( messages.length > 0 )
  {
    alert( messages );
    result = false;
  }
  
  return result;
}