<script> jQuery(document).ready(function($){ $("#chart-select").change(function(){ var $value = $(this).val(); $("div.chart").hide(); $("#"+$value).show(); plot1.replot(); plot2.replot(); }); <?php if ($contact->count_interactions() != 0) { ?> var data = <?php echo $contact->jqplot_load_interactions_by_dept(); ?> ; var data2 = <?php echo $contact->jqplot_load_interactions_by_person(); ?> ; var plot1 = jQuery.jqplot ('chart1', [data], { title: "Interactions per Department (Top 8)", seriesDefaults: { // make this a donut chart. renderer:$.jqplot.DonutRenderer, rendererOptions:{ // Donut's can be cut into slices like pies. sliceMargin: 3,