document.getElementById('main').style.display='none';
document.getElementById('loading').style.display='block';

function tile_select(num) {
  tile_active=num;
  tile_delay=300;
  tile_event=true;
  for(var i=0; i<tile_count; i++) {
    var tile=document.getElementById('tile'+i);
    if(i==num) {
	  tile.src=tiles[i][0].src;
	  var tiletitle=document.getElementById('tiletitle');
	  tiletitle.src=tiles[i][2].src;
	} else {
	  tile.src=tiles[i][1].src;
	}
  }
}

function tile_deselect_all() {
  for(var i=0; i<tile_count; i++) {
    var tile=document.getElementById('tile'+i);
	tile.src=tiles[i][0].src;
  }
  var tiletitle=document.getElementById('tiletitle');
  tiletitle.src=title_default.src;
}

function tile_timer() {
  //if(tile_event) document.getElementById('tileactive').innerHTML=tile_active+' '+tile_delay;
  if(tile_delay<=0 && tile_event && !tile_clicked) {
    if(tile_active>=0) tile_select(tile_active);
	else tile_deselect_all();
	tile_event=false;
  }
  if(tile_delay<0) tile_delay=0;
  tile_delay=tile_delay-25;
  window.setTimeout('tile_timer()', 25);
}