layerStyleRef="layer.";
  layerRef="document.layers";
  styleSwitch="";
   
  layerStyleRef="layer.style.";
  layerRef="document.all";
  function element(id)
{
	if (document.getElementById)
	return document.getElementById(id);
	if (document.all)
	return document.all(id);
	if (document.layers)
	return document.layers(id);
	alert('Brauser ERROR');
}
	styleSwitch=".style";
function show(layerName){
    element(layerName).style.visibility="visible";
}
function cls(layerName){
  element(layerName).style.visibility="hidden";
}