function clickButton(todo)
{
 switch(todo)
 {
  case 'UserSetting':   document.DoForm.doaction.value = 'usersett';
                        document.DoForm.submit();
                        break;
  case 'Team':          document.DoForm.doaction.value = 'team';
                        document.DoForm.submit();
                        break;
  case 'Aufstellung':   document.DoForm.doaction.value = 'aufstell';
                        document.DoForm.submit();
                        break;
  case 'Vertrag':       document.DoForm.doaction.value = 'vertrag';
                        document.DoForm.submit();
                        break;
  case 'Training':      document.DoForm.doaction.value = 'training';
                        document.DoForm.submit();
                        break;
  case 'Trainer':       document.DoForm.doaction.value = 'trainer';
                        document.DoForm.submit();
                        break;
  case 'Arzt':          document.DoForm.doaction.value = 'arzt';
                        document.DoForm.submit();
                        break;
  case 'Transfer':      document.DoForm.doaction.value = 'transfer';
                        document.DoForm.submit();
                        break;
  case 'Praemie':       document.DoForm.doaction.value = 'praemie';
                        document.DoForm.submit();
                        break;
  case 'Main':          document.DoForm.doaction.value = '';
                        document.DoForm.submit();
                        break;
  case 'Logout':        document.DoForm.doaction.value = 'logout';
                        document.DoForm.submit();
                        break;
  case 'FORUM':         window.open('http://forum.schussundtor.de');
                        break;
  case 'CHAT':          window.open('http://chat.schussundtor.de');
                        break;                          
  default:		        document.DoForm.doaction.value = todo;
                        document.DoForm.submit();
                        break;
 };
}