/**
 *  basics.js
 *  
 *  Standard Javascript-Lib  
*/ 

var clsFolder = '';

function closeFolder( Folder ) {
  var Element = document.getElementById(Folder);
  Element.style.display = 'none';
  return ;
} // end

function showFolder( BoxName, FolderId ) {
  var activeFolderId = BoxName + '_' + FolderId;
  var listFolderId, listLinkId;
  var activeLinkId = activeFolderId + '_link';
  
  for ( i=1; i<6; i++ ) {
    listFolderId = BoxName + '_' + i;
    listLinkId = BoxName + '_' + i + '_link';
    if ( document.getElementById(listFolderId) ) {
      if ( String(listFolderId) == String(activeFolderId) ) {
        document.getElementById(listFolderId).style.display =  'block';
        document.getElementById(listLinkId).style.textDecoration = 'underline';
      } else {
        document.getElementById(listFolderId).style.display =  'none';
        document.getElementById(listLinkId).style.textDecoration = 'none';
      }
    } else
      return ;
  }
  return ;
} // end