function switchDisplay(section, mysrc)	{
		if(document.getElementById(section).style.display == "none") {
			document.getElementById(section).style.display = "";
			document.getElementById(mysrc).innerHTML = document.getElementById(mysrc).innerHTML.replace('+', '-');
			try {pageTracker._trackPageview('/vpv/' + location.pathname + '/' + section);} catch(e) {}}
		else {
			document.getElementById(section).style.display = "none";
			document.getElementById(mysrc).innerHTML = document.getElementById(mysrc).innerHTML.replace('-', '+');}}