rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function fetch_item(i){
  if(random_count!=0){
    if(i==0){rand_reset();}
    return item=items[rand(items.length-1)];
  } else { return items[i]; }
}	

function rnd() {
  rnd.seed = (rnd.seed*9301+49297) % 233280;
  return rnd.seed/(233280.0);
}; 

function rand(number) {
  var i;
  i=Math.ceil(rnd()*number)-1;
  if(used[i]==1){i=rand(number); }
  used[i]=1;
  return i;
};

function rand_reset(){
  used = new Array();
}

// add events to the windows.unload event handler
function addLoadEvent(func) { 
  var oldonload = window.onload; 
  if (typeof window.onload != 'function') { 
    window.onload = func; 
  } else { 
    window.onload = function() { 
      oldonload(); func(); 
    } 
  }
}