function revealInfo(arg) {
	
	var el = document.getElementById(arg);
	
	if ( el.style.display != 'none' ) {
			el.style.display = 'block';
	} else {
			el.style.display = 'block';
	}
}
	
function hideInfo(arg) {
	
	var el = document.getElementById(arg);
	
	if ( el.style.display != '' ) {
			el.style.display = 'none';
	} else {
			el.style.display = 'none';
	}
}

// old jquery way of doing it 
/*$(document).ready(function(){
	$('td.chosen').hover(function(){
		$(this).next('div.info-holder').show();
	},
	function(){
		$(this).next('div.info-holder').hide();
	});
});*/