function p_over(whichPic)
	{
	if ((whichPic != selmenu) && (whichPic != selmenusub))
		{ document.images[whichPic].src = eval(whichPic + "_b.src"); }
	}

function p_out(whichPic)
	{
	if ((whichPic != selmenu) && (whichPic != selmenusub))
		{ document.images[whichPic].src = eval(whichPic + "_a.src"); }
	}

function p_click(whichPic)
	{
	if (selmenu != "dummy")
		{
	   document.images[selmenu].src = eval(selmenu + "_a.src");
	   }
	selmenu = whichPic;
	document.images[selmenu].src = eval(selmenu + "_c.src");
	if (selmenusub != "dummy")
		{
		document.images[selmenusub].src = eval(selmenusub + "_a.src");
		selmenusub = "dummy";
		}
	}

function p_clicksub(whichPic)
	{
	if (selmenusub != "dummy")
		{
		document.images[selmenusub].src = eval(selmenusub + "_a.src");
		}
	selmenusub = whichPic;
	document.images[selmenusub].src = eval(selmenusub + "_c.src");
	}

function setContent(myURL)
	{
	parent.frames['content'].location.href = myURL;
	}