function expander(which)

{

//---------------------------------------------------------------------------------------------------

	if (document.getElementById && document.createTextNode)
	{

//---------------------------------------------------------------------------------------------------

	if (which=="dispall")
		{
			expanderAll(1);
		}

		else if (which=="hideall")
		{
			expanderAll(0);
		}

//---------------------------------------------------------------------------------------------------

		else 
		{
			m=document.getElementById("exp");
			trig=m.getElementsByTagName("div").item(which).style.display;
			t=m.getElementsByTagName("p").item(which);
			h=t.getElementsByTagName("a").item(0).firstChild;

//---------------------------------------------------------------------------------------------------

		if (trig=="block") trig="none";
		else if (trig=="" || trig=="none") trig="block";

//---------------------------------------------------------------------------------------------------

		if (trig=="none")
			{
				h.nodeValue=h.nodeValue.replace(highlighttext,normaltext);
				t.style.background=normalbackground;
				t.style.color=normalcolour;
			}

//---------------------------------------------------------------------------------------------------

		else
			{
				h.nodeValue=h.nodeValue.replace(normaltext,highlighttext);
				t.style.background=highlightbackground;
				t.style.color=highlightcolour;
			}

				m.getElementsByTagName("div").item(which).style.display=trig;

//---------------------------------------------------------------------------------------------------

		}
	}
}

//---------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------

function expanderAll(show)

{

//---------------------------------------------------------------------------------------------------

	if (document.getElementById && document.createTextNode)
	{

		m=document.getElementById("exp");
		for (i=0;i<m.getElementsByTagName("div").length;i++)

		{

			t=m.getElementsByTagName("p").item(i);
			h=t.getElementsByTagName("a").item(0).firstChild;
			if (show==1)

			{

				h.nodeValue=h.nodeValue.replace(normaltext,highlighttext);
				t.style.background=highlightbackground;
				t.style.color=highlightcolour;
				m.getElementsByTagName("div").item(i).style.display="block";
			}

else

			{

				h.nodeValue=h.nodeValue.replace(highlighttext,normaltext);
				t.style.background=normalbackground;
				t.style.color=normalcolour;
				m.getElementsByTagName("div").item(i).style.display="none";

			}
		}
	}
}

//---------------------------------------------------------------------------------------------------

if (document.getElementById && document.createTextNode)

	{
	document.write('<style type="text/css">#exp div{display:none;}</style>')
	}

//---------------------------------------------------------------------------------------------------

	highlightcolour="#333";
	highlightbackground="";
	highlighttext="hide";

   	normalcolour="#333";
	normalbackground="";
	normaltext="show";

//---------------------------------------------------------------------------------------------------