function myFunction()
{
var bannerImages = new Array( );
bannerImages[0] = "img/gr_ob_st/oko_banner_osnova1.jpg";
bannerImages[1] = "img/gr_ob_st/oko_banner_osnova2.jpg";
bannerImages[2] = "img/gr_ob_st/oko_banner_osnova3.jpg";
bannerImages[3] = "img/gr_ob_st/oko_banner_osnova4.jpg";
bannerImages[4] = "img/gr_ob_st/oko_banner_osnova5.jpg";
bannerImages[5] = "img/gr_ob_st/oko_banner_osnova6.jpg";
bannerImages[6] = "img/gr_ob_st/oko_banner_osnova7.jpg";
bannerImages[7] = "img/gr_ob_st/oko_banner_osnova8.jpg";
bannerImages[8] = "img/gr_ob_st/oko_banner_osnova9.jpg";
bannerImages[9] = "img/gr_ob_st/oko_banner_osnova10.jpg";
bannerImages[10] = "img/gr_ob_st/oko_banner_osnova11.jpg";
bannerImages[11] = "img/gr_ob_st/oko_banner_osnova12.jpg";
bannerImages[12] = "img/gr_ob_st/oko_banner_osnova13.jpg";
bannerImages[13] = "img/gr_ob_st/oko_banner_osnova14.jpg";
var randomImageIndex = Math.round( Math.random( ) * 13 );
document.write( "<a href=\"index.php\"><img alt=\"\" src=\"" + bannerImages[randomImageIndex] + "\"></a>" );
}