SO randomize venue

/**
 * Copyright pleclech ( http://wonderfl.net/user/pleclech )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/aQ1D
 */

package {
    import flash.events.MouseEvent;
    import flash.utils.setTimeout;
    import com.bit101.components.TextArea;
    
    public class FlashTest extends TextArea {
        public function FlashTest() {
            width=400
            height=400
            setTimeout(doTest, 500)                        
        }
        
        public function FisherYatesShuffle(array:Array):void {            
        }

        public function doTest():void {
            try {
                trace("--- click me ---");
                var xml:XML = <gallery>
<venue name='1'>
        <name>1</name>
        <description>1</description>
        <picture>images/1.jpg</picture>
        <thumb>thumbs/1.jpg</thumb>
        <address>1</address>
        <website>http://1.co.uk</website>
</venue>

<venue name='2'>
        <name>2</name>
        <description>2</description>
        <picture>images/2.jpg</picture>
        <thumb>thumbs/2.jpg</thumb>
        <address>2</address>
        <website>http://2.co.uk</website>
</venue>

<venue name='3'>
        <name>3</name>
        <description>3</description>
        <picture>images/3.jpg</picture>
        <thumb>thumbs/3.jpg</thumb>
        <address>3</address>
        <website>http://3.co.uk</website>
</venue>

<venue  name='4'>
        <name>4</name>
        <description>4</description>
        <picture>images/4.jpg</picture>
        <thumb>thumbs/4.jpg</thumb>
        <address>4</address>
        <website>http://4.co.uk</website>
</venue>

</gallery>;
            var fnShuffle:Function = function(xl:XMLList):Function {
                var len:int=xl.length();
                var lastUsedIndex:int;
                return function(e:MouseEvent):void{
                    var i:int;

                    if (len<=0) {
                        trace("--- new round ---")
                        len = xl.length();
                        i = int(Math.random() * (len--));
                        // in case of a new round you don't want to redisplay the last one again
                        if (i == lastUsedIndex) i = len; 
                    } else {
                      i = int(Math.random() * (len--));
                    }
                    var myRandomVenue:XML = xl[i];
                    var tmp:XML = xl[len];
                    xl[i] = tmp;
                    xl[len] = myRandomVenue;
                    lastUsedIndex = len;
                    trace(myRandomVenue);
                    trace('name:', myRandomVenue.@name);
                }
            }

            this.addEventListener(MouseEvent.CLICK, fnShuffle(xml.venue));
            } catch (e:*) {
                trace(e);
            }
        }

        public function trace(...args):void {
            text=text+args.join(", ")+"\n"
        }
    }
}