function sendEmailsToStaff()
{

  if (Browser.msgBox('Are you sure you would like to continue?', Browser.Buttons.YES_NO) == 'yes')
  {
    var emailMessage = SpreadsheetApp.getActiveSheet().getRange("Statement Data Input!H5").getValue();
    var emailSubject = SpreadsheetApp.getActiveSheet().getRange("Statement Data Input!G5").getValue();

    var senderEmail = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("Statement Data input").getRange("Statement Data input!D2").getValue();
    var senderName = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("Statement Data input").getRange("Statement Data input!C2").getValue();

    var emailAddresses = [SpreadsheetApp.getActiveSpreadsheet().getSheetByName("staff1").getRange("staff1!B5").getValue(),SpreadsheetApp.getActiveSpreadsheet().getSheetByName("staff2").getRange("staff2!B5").getValue()];

    var validEmails = [];

    for (var i = 0; i < emailAddresses.length; ++i)
    {

      if (emailAddresses[i] == "")
      {
        //Do nothing..
      }
      else
      {
        validEmails.push(emailAddresses[i]);
      };
    };
    var bccs = validEmails.toString();

    Logger.log(bccs);


    MailApp.sendEmail
    (senderEmail,emailSubject,emailMessage,
      {
        name: 'John',
        bcc: bccs,
        noReply: true
      }
    );

    Browser.msgBox('Emails are on their way!')
  }
  else
  {
    Browser.msgBox('Emails have NOT been sent')
  }

}