var ns4 = (document.layers)? true:false;
var ie4 = (document.all)? true:false;
var ns6 = (!ns4 && !ie4)? true:false; 
var shown;
shown = 0;
function show(id1)
	{
	if (ns4) 
	 {
	  if (shown!=0) document.layers[shown].visibility = "hide";
    document.layers[id1].visibility = "show";
	 }
	else 
	 {
		if (ie4) 
		 {
	    if (shown!=0) document.all[shown].style.visibility = "hidden";
      document.all[id1].style.visibility = "visible";
		 }
		if (ns6)
		 {
		  if (shown!=0) document.getElementById(shown).style.visibility = "hidden";
		  document.getElementById(id1).style.visibility = "visible";
  	 }
		}
  shown = id1;
	}

nu = "cd10";
function cd(cds)
	{
	if (ns4) 
	 {
	  document.layers[nu].visibility = "hide";
    document.layers[cds].visibility = "show";
	 }
	else 
	 {
		if (ie4) 
		 {
	    document.all[nu].style.visibility = "hidden";
      document.all[cds].style.visibility = "visible";
		 }
		if (ns6)
		 {
		  document.getElementById(nu).style.visibility = "hidden";
		  document.getElementById(cds).style.visibility = "visible";
  	 }
		}
  nu = cds;
	}

guest = "g5";
function gue(gu)
	{
	if (ns4) 
	 {
	  document.layers[guest].visibility = "hide";
    document.layers[gu].visibility = "show";
	 }
	else 
	 {
		if (ie4) 
		 {
	    document.all[guest].style.visibility = "hidden";
      document.all[gu].style.visibility = "visible";
		 }
		if (ns6)
		 {
		  document.getElementById(guest).style.visibility = "hidden";
		  document.getElementById(gu).style.visibility = "visible";
  	 }
		}
  guest = gu;
	}