Optimize a little bit graph panel js

Web/htdocs/gui/panels/footjs/graph.php

@@ -7,31 +7,34 @@ $daysql = getLastNDays(7, 'Y-m-d');
 <script type="text/javascript">
 
 var ajaxCharts = [];
+function plotGraph(settings)
+{
+   t = this;
+   $.extend(t.settings, settings);
+   $.ajax({
+      async:false,
+      url: t.settings.data_url,
+      dataType: "json",
+      success: function(res){  
+         res.data.opt.axes.xaxis.renderer=$.jqplot.DateAxisRenderer;
+         res.data.opt.axes.xaxis.tickRenderer=$.jqplot.CanvasAxisTickRenderer;
+         $("#"+t.settings.eid).empty();
+         $.jqplot(t.settings.eid, res.data.data, res.data.opt); 
+      }
+   });
+}
 <?
 foreach($_SESSION[PANELS_CHARTS] as $eid => $chart)
 {
 ?>
+
 ajaxCharts[ajaxCharts.length] = {
    settings: {
       eid: "<?=$eid?>",
       data_url: "/rest/v1.2/charts/chartbyname/<?=$chart['name']?>/json"
    },
    
-   plot: function(settings){
-      t = this;
-      $.extend(t.settings, settings);
-      $.ajax({
-         async:false,
-         url: t.settings.data_url,
-         dataType: "json",
-         success: function(res){  
-            res.data.opt.axes.xaxis.renderer=$.jqplot.DateAxisRenderer;
-            res.data.opt.axes.xaxis.tickRenderer=$.jqplot.CanvasAxisTickRenderer;
-            $("#"+t.settings.eid).empty();
-            $.jqplot(t.settings.eid, res.data.data, res.data.opt); 
-         }
-      });
-   }
+   plot: plotGraph
 };
 
 <?