// Toggle script for showing/hiding divs/spans
// style="display:none;" or style="display:block;" must be declared in HTML itself and not a stylesheet to work
function toggle(thisSpan,thatSpan) {
	// toggle('spanOne'); will toggle 'spanOne' off and on with each click
	// toggle('spanOne','spanTwo'); will toggle 'spanOne' and 'spanTwo' back and forth between on and off
	
	if ( document.getElementById(thisSpan).style.display == 'block' ) {
		document.getElementById(thisSpan).style.display = 'none';
		if (thatSpan && document.getElementById(thatSpan).style.display == 'none') {
			document.getElementById(thatSpan).style.display = 'block';
		}
	} else if ( document.getElementById(thisSpan).style.display == 'none' ) {
		document.getElementById(thisSpan).style.display = 'block';
		if (thatSpan && document.getElementById(thatSpan).style.display == 'block') {
				document.getElementById(thatSpan).style.display = 'none';
		}
	}
}