nav = new Array();

for(i=0; i<21; i++)
{
nav[i] = new Array('pagehighlights','image','name');
nav[i]['image']= new Array();
nav[i]['image'][0]= new Image();
nav[i]['image'][0].src = "http://www.fuerstenfeld.de/themes/fuerstenfeld/images/but"+(i+1)+".gif";
nav[i]['image'][1]= new Image();
nav[i]['image'][1].src = "http://www.fuerstenfeld.de/themes/fuerstenfeld/images/but"+(i+1)+"_over.gif";
nav[i]['name'] = "but"+(i+1);
nav[i]['highlighted'] = false;
}


nav[0]['pagehighlights'] = new Array(2,7,6,5,4,3,66,60);
nav[1]['pagehighlights'] = new Array(13,12,11,10,9,67,8,68,70,58,98,59,99);
nav[2]['pagehighlights'] = new Array(15,16,17,18,19,14,61,62,63);
nav[3]['pagehighlights'] = new Array(20,21,22,23,24,25,64,66,67,68,69,70,71,72,73,74,75,76,77,78,79,127,128,80,81,129,130,82,83,131,132,84,85,86,87,88,89,90,92,94);
nav[4]['pagehighlights'] = new Array(26,27,28,29,30,31,97,100,108,91,93,95,96);
nav[5]['pagehighlights'] = new Array(32,33,34,35,36,37,38,118);
nav[6]['pagehighlights'] = new Array(41,42,43,44,39,40);
nav[7]['pagehighlights'] = new Array(1,1);
nav[8]['pagehighlights'] = new Array(45,45);
nav[9]['pagehighlights'] = new Array(46,46,119,120,101,102,103);
nav[10]['pagehighlights'] = new Array(47,47);
nav[11]['pagehighlights'] = new Array(48,48,106,107,105,104);
nav[12]['pagehighlights'] = new Array(49,49);
nav[13]['pagehighlights'] = new Array(50,50);
nav[14]['pagehighlights'] = new Array(51,51);
nav[15]['pagehighlights'] = new Array(52,52);
nav[16]['pagehighlights'] = new Array(53,53);
nav[17]['pagehighlights'] = new Array(54,54);
nav[18]['pagehighlights'] = new Array(55,55);
nav[19]['pagehighlights'] = new Array(56,56);
nav[20]['pagehighlights'] = new Array(57,57);

function light(id){
  for (i=0; i<nav.length; i++){
    if (nav[i]['name'] == id){
      document.getElementById(id).src = nav[i]['image'][1].src;
    }
  }
}

function unlight(id){
  for (i=0; i<nav.length; i++){
    if (nav[i]['name'] == id && nav[i]['highlighted']==false){
      document.getElementById(id).src = nav[i]['image'][0].src;
    }
  }
}

function showmenu(id,display){
  document.getElementById(id).style.visibility = display;
}

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 highlight(){
 	page_id = window.location.href;

	var Ausdruck = /page_id=([0-9]{1,3})/;
 	Ausdruck.exec(page_id);
 	page_id = RegExp.$1;

for (i=0; i<nav.length; i++){
    for (j=0; j<nav[i]['pagehighlights'].length; j++){
      if (nav[i]['pagehighlights'][j] == page_id){
        document.getElementById(nav[i]['name']).src = nav[i]['image'][1].src;
	nav[i]['highlighted']=true;
      }
    }
  }
}