function ClearField(field_id) {
  document.getElementById(field_id).value = '';
}

function ResetField(field_id) {
  if (document.getElementById(field_id).value == '')
  document.getElementById(field_id).value = 'enter your email';
}

function formFocus(){
  if (document.getElementById('username'))
    document.getElementById('username').focus();
}

function logout() {
  if (confirm("Do you want to close this window and logout?")){
    document.location = "?status=logout";
  }
}

//show edit fields

var edit_window_open = "";

function deleteField(id, category){
  if (confirm("Are you sure you want to delete this field?  You will be unable to recover it later.  There is no UNDO.")){
    document.location = "?action=delete&id=" + id;
  }
}


function showEditField(id){
  if (edit_window_open == ""){
    document.getElementById(id).style.display = "block";
    edit_window_open = id;
  }
  else{
    if (confirm("This will close the current editing window and you may lose any changes if you have not saved the field.  Do you want to close it?")){
    document.getElementById(edit_window_open).style.display = "none";
      if (id != edit_window_open) {
        document.getElementById(id).style.display = "block";
        edit_window_open = id;
      }
      else {
        edit_window_open = "";
      }
    }
  }
}

function closeField(id){
  document.getElementById(id).style.display = "none";
  edit_window_open = "";
}