function resizeWindow() {
    // resize
    var MS = (navigator.appName == "Microsoft Internet Explorer") ? true : false;
    iWidth = document.images[0].width;
    iHeight = document.images[0].height + 83;
    iHeight = (MS) ? iHeight + 22 : iHeight;
    window.resizeTo(iWidth, iHeight);
    
    // center
    sWidth  = screen.width;
    sHeight = screen.height;
    if (iHeight < sHeight && iWidth < sWidth) {
        sWidth  = sWidth/2 - iWidth/2;
        sHeight = sHeight/2 - iHeight/2;
        window.moveTo(sWidth, sHeight);
    }
    
    // focus
    self.focus();
}; 

addLoadEvent(resizeWindow);