gora=0;
szybkosc=16
margines = 400;

function menuGo()
{
 oBy=(szybkosc*oBy+celY)/(szybkosc+1);
 document.getElementById('bannerKon').style.top=Math.round(oBy)-margines;
 if(Math.round(oBy)!=celY) anim=setTimeout("menuGo()",20);
 else anim=0;
}

function initMenu(){
 oBy=gora;
 celY=350+margines;
 setTimeout('menuGo()',100);

}

document.getElementById('bannerKon').style.top=gora-margines;
document.getElementById('bannerKon').style.display="block";
initMenu();