nahodny_obrazek= new Array(

"<a href='http://www.milleycyrus.tym.sk/' target='_blank'><img src='http://www.konzument.sk/images/banner/milleycyrus.jpg' width='387' height='51' alt='Milleycyrus.tym.sk'/></a>",

"<a href='http://www.kajuska412.blog.cz/' target='_blank'><img src='http://www.konzument.sk/images/banner/rihanna.png' width='387' height='51' alt='Kajuska412.blog.cz'/></a>",

"<a href='http://www.fakaheda.eu/' target='_blank'><img src='http://www.konzument.sk/images/banner/fakaheda.jpg' width='387' height='51' alt='Fakaheda.eu'/></a>"

    );

    index = Math. floor(Math. random()*nahodny_obrazek. length);

    document. write(nahodny_obrazek[index]);