function reload_flash(url, stock_id)
{
	var params = stock_id;

	if($F('from_' + stock_id) != '' && $F('to_' + stock_id) != '')
	{
		params += '&from=' + $F('from_' + stock_id) + '&to=' + $F('to_' + stock_id);
	}

	new Ajax.Request(url, {
		method: 'post',
		parameters : "?stock_id=" + params,

		onSuccess: function(transport) {
			$('flash_graphic_' + stock_id).update(transport.responseText);
			set_tab(stock_id, 'stock');
		}
	});
}