var images = new Array();
            images[0] = "http://www.flash-games.free.bg/backgammon.html";
            images[1] = "http://www.flash-games.free.bg/tetris.html";
            images[2] = "http://www.flash-games.free.bg/asteroids.html";
            images[3] = "http://www.flash-games.free.bg/spaceinv.html";
            images[4] = "http://www.flash-games.free.bg/pong.html";
            images[5] = "http://www.flash-games.free.bg/kickups.html";
            images[6] = "http://www.flash-games.free.bg/tennis.html";
            images[7] = "http://www.flash-games.free.bg/xvso.html";
            images[8] = "http://www.flash-games.free.bg/sudoku.html";
            images[9] = "http://www.flash-games.free.bg/solitaire.html";
            images[10] = "http://www.flash-games.free.bg/tanks.html";
            images[11] = "http://www.flash-games.free.bg/kinghill.html";
            images[12] = "http://www.flash-games.free.bg/airbattle.html";
            images[13] = "http://www.flash-games.free.bg/zombiehorde.html";
            images[14] = "http://www.flash-games.free.bg/trapshoot.html";
            images[15] = "http://www.flash-games.free.bg/trapshoot2.html";
            images[16] = "http://www.flash-games.free.bg/jezball.html";
            images[17] = "http://www.flash-games.free.bg/hskies.html";
            images[18] = "http://www.flash-games.free.bg/bberlin.html";
            images[19] = "http://www.flash-games.free.bg/heliattack.html";
            images[20] = "http://www.flash-games.free.bg/helicopter.html";
            images[21] = "http://www.flash-games.free.bg/airshtr.html";
            images[22] = "http://www.flash-games.free.bg/mines.html";
            images[23] = "http://www.flash-games.free.bg/speed.html";
            images[24] = "http://www.flash-games.free.bg/breakout.html";
            images[25] = "http://www.flash-games.free.bg/mpatrol.html";
function randomImage() {
var i = Math.floor(Math.random()*images.length);
document.getElementById('iframe').src = images[i];
}