var activeNav = 2;
var eventOpen = 0;

function init(page)
{
  setPage(page,'0');
}

function setPage( clickedNav, idx )
{
  if ( activeNav != clickedNav ) 
  {
    if ( ( 0 < activeNav ) && ( activeNav < 7 ) )
    {
      oldNav = document.getElementById( 'nav-' + activeNav );
    }
    if ( ( 0 < clickedNav ) && ( clickedNav < 7 ) )
    {
      newNav = document.getElementById( 'nav-' + clickedNav );
    }
// entklickten button grün färben
    if ( ( 0 < activeNav ) && ( activeNav < 7 ) )
    {
	    if ( activeNav != 1 ) {
	      oldNav.style.backgroundImage = "url(img/nav-tab-0"+activeNav+"-green.gif)";
	    }
	  }
// geklickten button orange färben    
    if ( ( 0 < clickedNav ) && ( clickedNav < 7 ) )
    {
	    if ( clickedNav != 1 ) {
	      newNav.style.backgroundImage = "url(img/nav-tab-0"+clickedNav+"-orange.gif)";
	    }
	  }
    activeNav = clickedNav;
    switch (clickedNav)
    {
      case '1':
        if ( idx > 0 )
        {
          getContent( 'content/' + 'news.php', 'content', 'setInfoHeight();showEvent('+idx+',true)' );
        }
        else
        {
          getContent( 'content/' + 'news.php', 'content', 'setInfoHeight()' );
          getContent( 'content/infobar.php', 'info', '' );
          eventOpen = 0;
        }
        break;
      case '5':
        getContent( 'content/infobar.php', 'info', '' );
        getContent( 'content/' + 'events.php', 'content', 'setInfoHeight()' );
        eventOpen = 0;
        break;
      case '6':
        getContent( 'content/infobar.php', 'info', '' );
        getContent( 'content/' + 'press.php', 'content', 'setInfoHeight()' );
        eventOpen = 0;
        break;
      default:
        getContent( 'content/infobar.php', 'info', '' );
        if ( clickedNav < 10 )
          getContent( 'content/' + '0' + clickedNav + '.html', 'content', 'setInfoHeight()' );
        else
          getContent( 'content/' + clickedNav + '.html', 'content', 'setInfoHeight()' );
        eventOpen = 0;
    }
  }
  else 
  {
    if (idx > 0)
    {
      showEvent(idx,true);
    }
  }
}

function setInfoHeight()
{
  document.getElementById('info').style.height = document.getElementById('content-area').offsetHeight +'px';
}

function showEvent(idx, jump)
{
  if (eventOpen != 0)
  {
	  document.getElementById(eventOpen).style.display = 'none';
	  document.getElementById('more_'+eventOpen).style.backgroundImage="url(img/events-more.gif)";
	  if (idx != eventOpen)
  	{
		    document.getElementById(idx).style.display = 'block';
		    document.getElementById('more_'+idx).style.backgroundImage="url(img/events-less.gif)";
	  	  eventOpen = idx;
	  	  if (jump) window.location.hash=idx;
  	}
  	else
  	{
  	  eventOpen = 0;
  	}
  }
  else
  {
	  document.getElementById(idx).style.display = 'block';
	  document.getElementById('more_'+idx).style.backgroundImage="url(img/events-less.gif)";
	  eventOpen = idx;	
 	  if (jump) window.location.hash=idx;
	}
}

function givepdf(idx)
{
  myRef = window.open('content/pdf.php?idx='+idx,'pdfwin','');
}