function calcHeight()
{
  //find the height of the internal page
  var the_height=
    document.getElementById('the_iframe').contentWindow.
      document.body.scrollHeight;

  //change the height of the iframe
  document.getElementById('the_iframe').height=
      the_height;
	  

}


function MM_swapImgRestore() { //v3.0
  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() { //v3.0
  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) { //v4.01
  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() { //v3.0
  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 disp(wert)
    {
	if (wert == 'aegypten') { pfeil = 'pfeil1';}
	if (wert == 'griechenland') { pfeil = 'pfeil2';}
	if (wert == 'kapverden') { pfeil = 'pfeil3';}
	if (wert == 'tuerkei') { pfeil = 'pfeil4';}
	if (wert == 'brasilien') { pfeil = 'pfeil5';}
	if (wert == 'karibik') { pfeil = 'pfeil6';}
	if (wert == 'kanaren') { pfeil = 'pfeil7';}
	if (wert == 'venezuela') { pfeil = 'pfeil8';}
	if (wert == 'domrep') { pfeil = 'pfeil9';}
	if (wert == 'oesterreich') { pfeil = 'pfeil10';}
	if (wert == 'vietnam') { pfeil = 'pfeil11';}
	if (wert == 'italien') { pfeil = 'pfeil12';}
	if (wert == 'mauritius') { pfeil = 'pfeil13';}
var menu = new Array("aegypten", "griechenland", "kapverden", "tuerkei", "brasilien", "karibik", "kanaren", "venezuela", "domrep", "oesterreich", "vietnam", "italien", "mauritius");
    for (i=0;i < menu.length; i++)
      {
      if (menu[i] == wert)
         {
		
		    if (document.getElementById(wert).style.display == 'block')
      {
      document.getElementById(wert).style.display = 'none';
	  document.images[pfeil].src="images/pfeil.jpg"; 
      }
	  
	    else
      {
      document.getElementById(wert).style.display = 'block';
	   document.images[pfeil].src="images/pfeil2.jpg";
      }
         // document.getElementById(menu[i]).style.display = 'block';
         }
      }
    if (wert == 0)
      {
      return;
      }
   
    }

function weiter ()
{
 var sportart_sel = document.sportarten.auswahl.options[document.sportarten.auswahl.selectedIndex].value;
if (sportart_sel==1) { url = "windsurfen.php";}
if (sportart_sel==2) { url = "kitesurfen.php";}
if (sportart_sel==3) { url = "wellenreiten.php";}
if (sportart_sel==4) { url = "wintersport.php";}

this.location.href= url;
      
}