function setWidth ()
{
    var width  = document.body.clientWidth;
    document.getElementById('right').style.width = (width - 770) / 2 + "px";
    
    var e = document.getElementById('center');
    
    if(e)
    {
        if(e.offsetHeight < 550)
            e.style.height = 550 + "px";
    }
}