// The idea borrowed from dynamicDrive.com

    var initialtab = [1, "sc1"]

    var previoustab = "";
    var intv;


    function expandcontent(cid, aobject)
        {
        stopTimer();

        highlighttab(aobject)

        if (previoustab != "")
            document.getElementById(previoustab).style.display = "none"

        document.getElementById(cid).style.display = "block"
        previoustab = cid
        }

    function highlighttab(aobject)
        {
        stopTimer();

        if (typeof tabobjlinks == "undefined")
            collectgbimagetabs()

        for (i = 0; i < tabobjlinks.length; i++)
            tabobjlinks[i].className = ""

        aobject.className = "current"
        }

    function collectgbimagetabs()
        {
        var tabobj = document.getElementById("gbimagetabs")
        tabobjlinks = tabobj.getElementsByTagName("A")
        }

    function do_onload()
        {
        collectgbimagetabs()
        expandcontent(initialtab[1], tabobjlinks[initialtab[0] - 1])
        }

    function startTimer()
        {
        intv = setTimeout("expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1])", 2000);
        }

    function stopTimer()
        {
        clearTimeout(intv);
        }

    Event.observe(window, 'load', do_onload, false);
    Event.observe('xgb_tabmenu', 'mouseover', function(event)
        {
        stopTimer();
        },        false);

    Event.observe('xgb_tabmenu', 'mouseout', function(event)
        {
        var reltg = (event.relatedTarget) ? event.relatedTarget : event.toElement;

        var tg = (window.event) ? event.srcElement : event.target;

        if (tg.nodeName != 'DIV')
            return;

        while (reltg != tg && reltg.nodeName != 'BODY')
            {
            reltg = reltg.parentNode;

            if (reltg.id == "xgb_tabmenu")
                return;
            }

        if (reltg == tg)
            return;

        stopTimer();
        startTimer();
        },        false);

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}