<!--
var id,             //
    stepX, stepY;     //

function Start()     //
{
    //
    document.all.Logo.style.pixelLeft =  
        document.body.offsetWidth / 2;
    document.all.Logo.style.pixelTop = 
        document.body.offsetHeight / 20;
        
    //
    document.all.Logo.style.visibility = "visible"; 

    //
    stepX = (Math.random()+1)  * 1;
    stepY = (Math.random()+1)  * 1;

    //
    id = window.setInterval("Move()",35);
}

function Stop()          //
{
    //
    window.clearInterval(id);
    
    //
    document.all.Logo.style.visibility = "hidden";
}

function Move()          //
{
    //
    document.all.Logo.style.pixelLeft += stepX;
    document.all.Logo.style.pixelTop += stepY;
    
    //
    if (document.all.Logo.style.pixelLeft <= 0) stepX = -stepX;
    
    //
    if ( document.all.Logo.style.pixelLeft >= 
         (document.body.offsetWidth - document.all.Logo.width 
          - stepX - 22) ) stepX = -stepX; 
                 // 22
          
    //
    if (document.all.Logo.style.pixelTop <= 0) stepY = -stepY;
    
    //
    if ( document.all.Logo.style.pixelTop >= 
         (document.body.offsetHeight - document.all.Logo.height
          - stepY) ) stepY = -stepY;
}
// -->