function spellink_general_upper_frame_shrink(){
  if (navigator.userAgent.indexOf("Firefox")==-1){
    parent.upper_frame.cols="15%,85%";
  }
}

function spellink_general_upper_frame_grow(){
  if (navigator.userAgent.indexOf("Firefox")==-1){
    parent.upper_frame.cols="30%,70%";
  }
}