d=document;
d.write('<iframe id="calculating2" frameborder="0" scrolling="0" style="position:absolute;top:0;left:-600;width:150;height:50;"></iframe>');
d.write('<div style="position:absolute;top:0;left:-600;width:150;height:50;background-color:#333366;padding:10px" id="calculating">');
d.write('<table border="0" width="100%" height="100%"><tr><td width="100%" align="center" style="color:#FFFFFF; font-size:12pt; font-weight:bold;">Calculating...</td></tr></table></div>');


function hiddenLayer() {
   NC = (d.layers);
   IE = (d.all);
   Opera = (d.getElementById);

   if(IE) {
      eval('d.all["calculating"].style.left = -300');
      eval('d.all["calculating2"].style.left = -300');
   }
   if(NC) {
      eval('d.layers["calculating"].left = -300');
      eval('d.layers["calculating2"].left = -300');
   }
   if(Opera) {
      eval('d.getElementById("calculating").style.left = -300');
      eval('d.getElementById("calculating2").style.left = -300');
   }
}

function showLayer() {
   NC = (document.layers);
   IE = (document.all);
   Opera = (document.getElementById);

  leftpos = parseInt(document.body.clientWidth / 2 - 75); 
  toppos = parseInt(document.body.scrollTop + (document.body.clientHeight/2));

  if(IE) {
    eval('document.all["calculating"].style.left = leftpos');
    eval('document.all["calculating"].style.top = toppos');
    eval('document.all["calculating2"].style.left = leftpos');
    eval('document.all["calculating2"].style.top = toppos');
  }
  if(NC) {
    eval('document.layers["calculating"].left = leftpos');
    eval('document.layers["calculating"].top = toppos');
    eval('document.layers["calculating2"].left = leftpos');
    eval('document.layers["calculating2"].top = toppos');
  }
  if(Opera) {
    eval('document.getElementById("calculating").style.left = leftpos');
    eval('document.getElementById("calculating").style.top = toppos');
    eval('document.getElementById("calculating2").style.left = leftpos');
    eval('document.getElementById("calculating2").style.top = toppos');
  }
}