function folderSelect(source)
{
	if ( source == "press")
	{
	  document.getElementById('press-releases-folder').className='press-folder-open top-folder';
	  document.getElementById('ads-folder').className='ads-folder-closed top-folder';
	  document.getElementById('catalogs-folder').className='catalogs-folder-closed top-folder';
	  document.getElementById('press-release-section').style.display="block";
	  document.getElementById('ads-section').style.display="none";
	  document.getElementById('catalogs-section').style.display="none";
	}
	else if ( source == "ads")
	{	 
	  document.getElementById('press-releases-folder').className='press-folder-closed top-folder';
	  document.getElementById('ads-folder').className='ads-folder-open top-folder';
	  document.getElementById('catalogs-folder').className='catalogs-folder-closed top-folder';  
	  document.getElementById('press-release-section').style.display="none";
	  document.getElementById('ads-section').style.display="block";
	  document.getElementById('catalogs-section').style.display="none";
	}
	else if ( source == "catalogs")
	{
	  document.getElementById('press-releases-folder').className='press-folder-closed top-folder';
	  document.getElementById('ads-folder').className='ads-folder-closed top-folder';
	  document.getElementById('catalogs-folder').className='catalogs-folder-open top-folder';  
	  document.getElementById('press-release-section').style.display="none";
	  document.getElementById('ads-section').style.display="none";
	  document.getElementById('catalogs-section').style.display="block";
	} 
}