var url = new makeArray(
  new urlDb('',' Rychlý výběr - - - - - -'),
  new urlDb('index.html','aaaaaaaaaaa'),
  new urlDb('index.html','bbbbbbbbbbb'),
  new urlDb('index.html','ccccccccccc'),
  new urlDb('index.html','ddddddddddd'));

function urlDb(url, comment)
{
  this.url = url;
  this.comment = comment;
  return this;
}

function makeArray()
{
  this.length = makeArray.arguments.length;
  for (var i=0;i<this.length;i++)
    this[i]=makeArray.arguments[i];
}

function jumpPage(form)
{
  var i=form.FastNav.selectedIndex;
  if (i>0)
  {
   window.location.href=url[i].url;
  }
}

function printMenu(URLDB)
{
//  document.write('<select name="FastNav" onChange="javascript:jumpPage(this.form);">\n');
//  for (var j=0;j<URLDB.length;j++)
//    document.write('<option>',URLDB[j].comment,'</option>\n')
//  document.write('</select>');
}

var preloadedimages = Array();
var img_prefix = './images/';

function preloadimages()
{
  for(var i=0;i<preloadimages.arguments.length;i++)
  {
    var img = new Image();
    img.src = img_prefix + preloadimages.arguments[i];
    preloadedimages[i] = img;
  }
}

function imgon(img_def,img_src)
{
  document.images[img_def].src=img_prefix + img_src;
//  document.write(img_def);
}