<!--
var isNE=false;
var layerRef, styleSwitch, visibleVar, pxSwitch;
if (navigator.appName == "Netscape")
{
    isNE=true;
    layerRef="document.layers";
    styleSwitch="";
    visibleVar="show";
    pxSwitch="";
}
else
{
    isNE=false;
    layerRef="document.all";
    styleSwitch=".style";
    visibleVar="visible";
    pxSwitch="px";
}
function showLayer(layerName){ eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"'); };
function hideLayer(layerName){ eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"'); };
function moveLayerTo(layerName,x,y){ eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top=y'); eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left=x'); };
var Ball_x = 0;
var Ball_y = 0;
var Ball_rx = 2;
var Ball_ry = 2;
function MoveBall()
{

    Ball_x -= Ball_rx;
    Ball_y -= Ball_ry;
    if (Ball_x<=(-50) || Ball_x>=1) Ball_rx = -Ball_rx;
    if (Ball_y<=-20 || Ball_y>=20) Ball_ry = -Ball_ry;
    moveLayerTo("Balon", Ball_x, Ball_y);

}
function ProcessTimer()
{
    MoveBall();
    setTimeout("ProcessTimer()",150);
}
ProcessTimer();
//-->