function popi(url, wname,sx,sy)
{
/*
  if(sx > 1024){
    $coef=800/sx;
    sx=800;
    sy=Math.ceil(sy*$coef);
  }

  if(sy > 640){
    $coef=640/sy;
    sy=640;
    sx=Math.ceil(sx*$coef);
  }
*/
    sx=Math.ceil(sx);
    sy=Math.ceil(sy);
    
wconf='height='+sy+', width='+sx+', toolbar=no, menubar=no, scrollbars=yes, resizable=yes, location=no, directories=no, status=no'
window.open (url, wname, config=wconf);
}