function changebg1(){
    document.getElementById("ik").style.backgroundImage="url('../pics/ik_logo_color.gif')";
};

function changebg2(){
    document.getElementById("ik").style.backgroundImage="url('../pics/ik_logo_gray.gif')";
};

function goik(){
    document.location.href="http://www.ik.nov.ru";
}