Embed a Google Chart

embedgooglechart.php

     function chart_shortcode( $atts ) {  
         extract(shortcode_atts(array(  
             'data' => '',  
             'colors' => '',  
             'size' => '400x200',  
             'bg' => 'ffffff',  
             'title' => '',  
             'labels' => '',  
             'advanced' => '',  
             'type' => 'pie'  
         ), $atts));  
         switch ($type) {  
             case 'line' :  
                 $charttype = 'lc'; break;  
             case 'xyline' :  
                 $charttype = 'lxy'; break;  
             case 'sparkline' :  
                 $charttype = 'ls'; break;  
             case 'meter' :  
                 $charttype = 'gom'; break;  
             case 'scatter' :  
                 $charttype = 's'; break;  
             case 'venn' :  
                 $charttype = 'v'; break;  
             case 'pie' :  
                 $charttype = 'p3'; break;  
             case 'pie2d' :  
                 $charttype = 'p'; break;  
             default :  
                 $charttype = $type;  
             break;  
         }  
         if ($title) $string .= '&chtt='.$title.'';  
         if ($labels) $string .= '&chl='.$labels.'';  
         if ($colors) $string .= '&chco='.$colors.'';  
         $string .= '&chs='.$size.'';  
         $string .= '&chd=t:'.$data.'';  
         $string .= '&chf='.$bg.'';  
         return '<img title="'.$title.'" src="http://chart.apis.google.com/chart?cht='.$charttype.''.$string.$advanced.'" alt="'.$title.'" />';  
     }  
     add_shortcode('chart', 'chart_shortcode');