function getBrowVer() {

        appname= navigator.appName;

        appversion = navigator.appVersion;

        mainver = appversion.substring(0, 1);

        if ((appname == "Netscape") && ( mainver >= 3 )) return 1;

        if ((appname == "Microsoft Internet Explorer") && (mainver >= 4)) return 1;

        return 0;

}



function swtch(num, picname) {

        if (getBrowVer()) {

        document[picname].src = pic[num].src;

                }

        }



picsrc=new Array();

picsrc[0]="nav/fme-1.gif";

picsrc[1]="nav/fme-2.gif";

picsrc[2]="nav/fme-3.gif";

picsrc[3]="nav/fmf-1.gif";

picsrc[4]="nav/fmf-2.gif";

picsrc[5]="nav/fmf-3.gif";

// picsrc[6]="nav/fmg-1.gif";

// picsrc[7]="nav/fmg-2.gif";

// picsrc[8]="nav/fmg-3.gif";


if (getBrowVer()) {

        pic = new Array();

        for (i = 0; i < picsrc.length; i++) {

                pic[i] = new Image();

                pic[i].src = picsrc[i];

        }

}



function tbshow_aux(TBshowId, id)
{
  var TBshow = document.getElementById(TBshowId);

  // ----- Tabs -----

  var Tabs = TBshow.firstChild;
  while (Tabs.className != "Tabs" ) Tabs = Tabs.nextSibling;

  var Tab = Tabs.firstChild;
  var i   = 0;

  do
  {
    if (Tab.tagName == "A")
    {
      i++;
      Tab.href      = "javascript:tbshow_switch('"+TBshowId+"', "+i+");";
      Tab.className = (i == id) ? "Active" : "";
      Tab.blur();
    }
  }
  while (Tab = Tab.nextSibling);

  // ----- Pages -----

  var Pages = TBshow.firstChild;
  while (Pages.className != 'Pages') Pages = Pages.nextSibling;

  var Page = Pages.firstChild;
  var i    = 0;

  do
  {
    if (Page.className == 'Page')
    {
      i++;
      if (Pages.offsetHeight) Page.style.height = (Pages.offsetHeight-2)+"px";
      Page.style.overflow = "auto";
      Page.style.display  = (i == id) ? 'block' : 'none';
    }
  }
  while (Page = Page.nextSibling);
}


function tbshow_switch(TBshowId, id) { tbshow_aux(TBshowId, id); }

function tbshow_initialize(TBshowId) { tbshow_aux(TBshowId,  1); }