var isNetscape = (navigator.userAgent.indexOf('Netscape') != -1) || (navigator.appName.indexOf('Netscape') != -1)
var ns4 = ((isNetscape) && (navigator.userAgent.indexOf('Netscape6') == -1));
var ns6 = ((isNetscape) && (navigator.userAgent.indexOf('Netscape6') != -1));

var fontsize = (ns4) ? '8' : '8';
if (navigator.platform.indexOf("Mac") != -1)
 fontsize = parseInt(fontsize) + ((isNetscape) ? 2 : 0);



var n_on = '01';

function getHeader()
{
  var header = ''
+ '<table width="700" border="0" cellpadding="0" cellspacing="0" align="center">'
+  '<tr><td height="44" width="700" background="img/top_rft.jpg">'
+   '<table width="700" border="0" cellpadding="0" cellspacing="0" align="center">'
+     '<tr>'
+	   '<td width="144" height="44" align="left"><img src="img/logo.jpg" alt="Poenenhof" width="144" height="44" border="0"></td>'
+	 '</tr>'
+    '</table>'
+  '</td></tr>'
+  '<tr><td align="left">'
+   '<table width="700" border="0" cellpadding="0" cellspacing="0"><img src="img/button/platzhalter.gif" alt="" height="20" width="200" border="0"></td></tr>'
+ '</table>';
  
  return header;
}


window.onresize = resized;

function resized()
{ if (ns4)
    window.history.go(0);
}


function swapIm(image, state)
{ if (image != n_on)
  { var imgloc = "img/button/n_" + image + "_" + state + ".gif";
    if (ns4)
      document.images['nav' + image].src = imgloc;
    else if (ns6)
      document.getElementById('nav' + image).src = imgloc;
    else
      document.all['nav' + image].src = imgloc;
  }
}

var nav01 = new Image();
var nav02 = new Image();
var nav03 = new Image();
var nav04 = new Image();
var nav05 = new Image();
var nav06 = new Image();

function preloadImages()
{
  nav01.src = "img/button/n_01_on.gif";
  nav02.src = "img/button/n_02_on.gif";
  nav03.src = "img/button/n_03_on.gif";
  nav04.src = "img/button/n_04_on.gif";
  nav05.src = "img/button/n_05_on.gif";
 // nav06.src = "img/button/n_06_on.gif";
}