selImg=''
selImgOff=''

function bild_over(x)
{	if	( document.images )
	{	if ( selImg!=x )
		{	document.images[x].src=('media/'+x+'-sel.gif');
}	}	}
	
function bild(x)
{	if	( document.images )
	{	if ( selImg!=x)
		{	document.images[x].src=('media/'+x+'.gif');
}	}	}

function bild_on(x)
{	if	( document.images )
	{	if	( selImg!='' & selImg!=x )
		{	document.images[selImgOff].src=('media/'+(selImgOff)+'.gif');
		}
		{	document.images[x].src=('media/'+x+'-sel.gif');
			selImgOff=x;
			selImg=x;
}	}	}

function beispiel_over(x)
{	if	( document.images )
	{	document.images[x].src=('media/'+x+'-sel.jpg');
}	}

function beispiel(x)
{	if	( document.images )
	{	document.images[x].src=('media/'+x+'.jpg');
}	}

function open_gal(x,y)
{	var fenster = window.open(x,y,"height=700,width=700,menubar=0,scrollbars=0,status=0,toolbar=0");
}

function ShowDiv(DivName) 
      {
        var ref;
        if (document.all)
        {
          document.all[DivName].style.display = 'block';
        }
        else if ((!document.all)&&(document.getElementById))
        {
          ref = document.getElementById(DivName);
          ref.style.display = 'block';
        }
      }
      
function HideDiv(DivName) 
      {
        var ref;
        if (document.all)
        {
          document.all[DivName].style.display = 'none';
        }
        else if ((!document.all)&&(document.getElementById))
        {
          ref = document.getElementById(DivName);
          ref.style.display = 'none';
        }
      }