var tabobjlinks;

/* Turn menu into single level image tabs (completely hides 2nd level)? */
/* 0 for no (default), 1 for yes */
var turntosingle = 0;

var previoustab = "";

function expandcontent(cid, aobject)
{
	if (document.getElementById) {
		highlighttab(aobject);
		if (previoustab != "")
			document.getElementById(previoustab).style.display = "none";
		if (cid != "") {
			document.getElementById(cid).style.display = "block";
			previoustab = cid;
		}
	}
	return;
}

function highlighttab(aobject)
{
	if (typeof tabobjlinks == "undefined")
		collect_ddtabs();
	for (i = 0; i < tabobjlinks.length; i++)
		tabobjlinks[i].className = "";
	aobject.className = "current";
	return;
}

function collect_ddtabs()
{
	var tabobj  = document.getElementById("navbar1");
	tabobjlinks = tabobj.getElementsByTagName("TD");
	return;
}

function do_onload(j)
{
	collect_ddtabs();
	expandcontent("sc" + (j), tabobjlinks[j]);
	return;
}