function toggleVisible(id)
{
	var all_options = document.getElementsByName('chart_option');
	
	// hide active pane, whatever it might be
	for (var i = 0; i < all_options.length; i++)
		all_options[i].style.display = 'none';
		
	var id_with_break = id.split('_');
	id = id_with_break[0];
	var chart = document.getElementById(id);

	chart.style.display = '';
}

function hideOptions()
{
	var allOptions = document.getElementsByName('chart_option');
	
	for (var i = 0; i < allOptions.length; i++)
		allOptions[i].style.display = (allOptions[i].id == 'general' || allOptions[i].id == 'raw' || allOptions[i].id == 'day') ? '' : 'none';
}