function layerflip (span_id_a, span_id_b)
{
   if (document.getElementById (span_id_a).style.display == 'none')
   {
      document.getElementById (span_id_a).style.display = 'block';
   }
   else
   {
      document.getElementById (span_id_a).style.display = 'none';
   }

   if (document.getElementById (span_id_b).style.display == 'none')
   {
      document.getElementById (span_id_b).style.display = 'block';
   }
   else
   {
      document.getElementById (span_id_b).style.display = 'none';
   }
}

function close_all_menus ()
{
   document.getElementById ('untermenu_unterkuenfte_auf').style.display = 'none';
   document.getElementById ('untermenu_wanderservice_auf').style.display = 'none';
   document.getElementById ('untermenu_tourenhits_auf').style.display = 'none';
}

function close_other_menus (span_id_orign)
{
   if (span_id_orign != 'untermenu_unterkuenfte_auf')
   {
      document.getElementById ('untermenu_unterkuenfte_auf').style.display = 'none';
   }
   if (span_id_orign != 'untermenu_wanderservice_auf')
   {
      document.getElementById ('untermenu_wanderservice_auf').style.display = 'none';
   }
   if (span_id_orign != 'untermenu_tourenhits_auf')
   {
      document.getElementById ('untermenu_tourenhits_auf').style.display = 'none';
   }
}

function MM_swapImgRestore ()
{
   var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages ()
{
   var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj (n, d)
{
   var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
   if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
   for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
   if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage ()
{
   var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
    if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function Ansicht(imageName,imageWidth,imageHeight,alt,posLeft,posTop)
{ 
   newWindow = window.open("","newWindow","width="+imageWidth+",height="+imageHeight+",left="+posLeft+",top="+posTop); 
   newWindow.document.open(); 
   newWindow.document.write('<html><title>'+alt+'</title><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">'); 
   newWindow.document.write('<a href="#" onMouseDown="self.close()" title="Bildansicht schließen">'); 
   newWindow.document.write('<img border=0 src='+imageName+' width='+imageWidth+' height='+imageHeight+' title="Bildansicht schließen" alt='+alt+'>'); 
   newWindow.document.write('</a>'); 
   newWindow.document.write('</body></html>'); 
   newWindow.document.close(); 
   newWindow.focus(); 
}