function showBlk(m,t,s) {
	m.style.borderBottomStyle = 'none';
	m.style.backgroundImage='url(../~pix/ad.gif)'; //Remove S2009 for final
	t.style.fontStyle = 'italic';
	s.style.display = 'inline';
}

function hideBlk(m,t,s) {
	m.style.borderBottomStyle = 'solid';
	m.style.backgroundImage='url(../~pix/ar.gif)';	//Remove S2009 for final
	t.style.fontStyle = 'normal';
	s.style.display = 'none';
}

function condHide(sourcePrefix, checkPrefix) {
	if (sourcePrefix!=checkPrefix) {
		var m = document.getElementById(checkPrefix + 'Main');
		var s = document.getElementById(checkPrefix + 'Sub');
		var t = document.getElementById(checkPrefix + 'Text');
		hideBlk(m,t,s);
	}
}

function toggle(prefix) {
	var m = document.getElementById(prefix + 'Main');
	var s = document.getElementById(prefix + 'Sub');
	var t = document.getElementById(prefix + 'Text');
	if ((s.style.display=='') || (s.style.display == 'none')) {
		showBlk(m,t,s);
		condHide(prefix,'i');
		condHide(prefix,'p');
		condHide(prefix,'s');
		
	} else {
		hideBlk(m,t,s);
	}
}