bname = navigator.appName;
bversion = parseInt(navigator.appVersion);
version = "";
if (bname=="Netscape" && bversion>=3 ) version="ok";
if (bname=="Microsoft Internet Explorer" && bversion>=4 ) version="ok";

if (version == "ok")
{
  i1_on=new Image();	i1_on.src="/navbar/button_ref_on.gif";
  i1_off=new Image();		i1_off.src="/navbar/button_ref_off.gif";

  i4_on=new Image();	i4_on.src="/navbar/button_services_on.gif";
  i4_off=new Image();		i4_off.src="/navbar/button_services_off.gif";

  i3_on=new Image();	i3_on.src="/navbar/button_art_on.gif";
  i3_off=new Image();		i3_off.src="/navbar/button_art_off.gif";

  i2_on=new Image();	i2_on.src="/navbar/button_appraisal_on.gif";
  i2_off=new Image();		i2_off.src="/navbar/button_appraisal_off.gif";

  i5_on=new Image();	i5_on.src="/navbar/button_fees_on.gif";
  i5_off=new Image();		i5_off.src="/navbar/button_fees_off.gif";

  i7_on=new Image();	i7_on.src="/navbar/button_corp_on.gif";
  i7_off=new Image();		i7_off.src="/navbar/button_corp_off.gif";

  i6_on=new Image();	i6_on.src="/navbar/button_faq_on.gif";
  i6_off=new Image();		i6_off.src="/navbar/button_faq_off.gif";

  n1_on=new Image();	n1_on.src="/navbar/button_links_on.gif";
  n1_off=new Image();		n1_off.src="/navbar/button_links_off.gif";

}

function show(x)
{
 if (version == "ok")
  {
    if (x=="i1_on")		{  document.images["i1"].src=i1_on.src; }
    if (x=="i1_off")		{  document.images["i1"].src=i1_off.src; }

    if (x=="i4_on")		{  document.images["i4"].src=i4_on.src; }
    if (x=="i4_off")		{  document.images["i4"].src=i4_off.src; }

    if (x=="i3_on")		{  document.images["i3"].src=i3_on.src; }
    if (x=="i3_off")		{  document.images["i3"].src=i3_off.src; }

    if (x=="i2_on")		{  document.images["i2"].src=i2_on.src; }
    if (x=="i2_off")		{  document.images["i2"].src=i2_off.src; }

    if (x=="i5_on")		{  document.images["i5"].src=i5_on.src; }
    if (x=="i5_off")		{  document.images["i5"].src=i5_off.src; }

    if (x=="i7_on")		{  document.images["i7"].src=i7_on.src; }
    if (x=="i7_off")		{  document.images["i7"].src=i7_off.src; }

    if (x=="i6_on")		{  document.images["i6"].src=i6_on.src; }
    if (x=="i6_off")		{  document.images["i6"].src=i6_off.src; }

    if (x=="n1_on")		{  document.images["n1"].src=n1_on.src; }
    if (x=="n1_off")		{  document.images["n1"].src=n1_off.src; }

  }
}