function logo(onOff){
         if (onOff==0) document.getElementById('logoEgo').src = 'img/egoLogo.gif';
         if (onOff==1) document.getElementById('logoEgo').src = 'img/egoLogo2.gif';
    }
    function knk(onOff){
         if (onOff==0) document.getElementById('knkLogo').src = 'img/knkLogoOff.gif';
         if (onOff==1) document.getElementById('knkLogo').src = 'img/knkLogo.gif';
    }