function switchf(no,status) {
  document[("m"+no)].src="img/m"+no+status+".gif";
}

function showstat() {
  if (navigator.appName=="Microsoft Internet Explorer") { 
    docwidth=document.body.clientWidth;
    docheight=document.body.clientHeight;
  } else {
    docwidth=window.innerWidth;
    docheight=window.innerHeight;
  };
  docleft=Math.round(docwidth/2)-90;
  doctop=Math.round(docheight/2)-110;
  std=document.getElementById("statdiv");

  std.style.pixelLeft=docleft;
  std.style.pixelTop=doctop;
  if (std.style.visibility=="visible") { std.style.visibility="hidden"; }
    else { std.style.visibility="visible" };
}