function hideAllSets()
{
	if ( document.getElementById ) {
		for (var i=1; i<=numSets; i++)
		{
			document.getElementById('set'+i).style.display='none';
		}
	}
} // end function

function showSet(sid)
{
	hideAllSets();
	if ( document.getElementById ) {
		document.getElementById('set'+sid).style.display='block';
	}
} // end function


function showDescription(sid)
{
	if ( document.getElementById ) {
		document.getElementById('text'+sid).style.display='block';
	}
} // end function
function hideDescription(sid)
{
	if ( document.getElementById ) {
		document.getElementById('text'+sid).style.display='none';
	}
} // end function

function noSpam(user,domain)
{
	locationstring = "mailto:" + user + "@" + domain;
	window.location = locationstring;
}