private native void showChart(VDCharts c, String id, String dataSeries,
			String options, String decimalSeparator, String thousandsSeparator)
	/*-{
	$wnd.jQuery(document).ready(function($){
	 	var _options = eval("("+options+")");
	 	var _dataSeries = eval("("+dataSeries+")");
		$wnd.jQuery('#'.concat(id)).empty();
		$.jqplot.sprintf.decimalMark=decimalSeparator;
		$.jqplot.sprintf.thousandsSeparator=thousandsSeparator;
		//plots need to be destroyed because of memory leaks
		//$('#'+id).html('');
		//console.log('drawing chart');
		if(window.plots) {
			//console.log('plots exists. size: ' + window.plots);
			if (window.plots[id]){
				//console.log('plot EXIST: id=' + id);
				//console.log('plot value: ' + window.plots[id]) ;
				window.plots[id].destroy();
				delete window.plots[id];
				//console.log('plot destroyed. new value: ' + window.plots[id]) ;
			}
		} else {
			//console.log('creating plots map');
			window.plots = {};
		}
		window.plots[id] = $.jqplot(id, _dataSeries, _options);
		// send first chart image
		c.@org.dussan.vaadin.dcharts.client.ui.VDCharts::sendChartImageToServer()();
		// and then watch for changes
		$wnd.jQuery('#'.concat(id)).find('.jqplot-series-canvas').attrchange(function(attrName) {
			if($wnd.jQuery('#'.concat(id).concat('-button')).size() == 1 && 
				$wnd.jQuery('#'.concat(id).concat('-button-clone')).size() == 0) {
				var button = $wnd.jQuery('#'.concat(id).concat('-button'));
				button.clone().attr('id',button.attr('id').concat('-clone'))
					.css('top',button.position().top).css('left',button.position().left)
					.css('position','absolute').appendTo(button.parent());
				$wnd.jQuery('#'.concat(id).concat('-button-clone')).find('.v-button-caption').css('color','red');
			}
			c.@org.dussan.vaadin.dcharts.client.ui.VDCharts::sendChartImageToServer()();
		});
	});
}-*/;