problema con el highslide youtube

[esaenz22]

buenas. implemente el highslide en un proyecto. en el proyecto he implementado la galeria y el popup para el video de youtube. de la galeria del highslide me funciona, pero para ver el video youtube no me funciona.

me muestra el siguiente error.

Código QUOTE:

hs.htmlExpand is not a function.
 

este es mi codigo.

Código HTML:

<!--
    1 ) Reference to the files containing the JavaScript and CSS.
    These files must be located on your server.
-->
 
<script type="text/javascript" src="highslide/highslide-with-gallery.js"></script>
<script type="text/javascript" src="highslide/highslide-with-html.js"></script>
<script type="text/javascript" src="js/swfobject.js"></script>
<link rel="stylesheet" type="text/css" href="highslide/highslide.css">
<!--[if lt IE 7]>
<link rel="stylesheet" type="text/css" href="highslide/highslide-ie6.css" />
<![endif]-->
 
 
<!--
    2) Optionally override the settings defined at the top
    of the highslide.js file. The parameter hs.graphicsDir is important!
-->
 
<script type="text/javascript">
hs.graphicsDir = 'highslide/graphics/';
hs.align = 'center';
hs.transitions = ['expand', 'crossfade'];
hs.fadeInOut = true;
hs.dimmingOpacity = 0.8;
hs.outlineType = 'rounded-white';
hs.outlineWhileAnimating = true;
hs.allowSizeReduction = false;
// always use this with flash, else the movie will be stopped on close:
hs.preserveContent = false;
hs.wrapperClassName = 'draggable-header no-footer';
hs.captionEval = 'this.thumb.alt';
hs.marginBottom = 105; // make room for the thumbstrip and the controls
hs.numberPosition = 'caption';
 
// create a shorthand function so we don't need to put all this in the opener's onclick
function openYouTube(opener) {
    var returnValue;
    
    // Safari Mobile doesn't have Flash, so we just let the device use the built-in 
    // YouTube viewer.
    if (/(iPhone|iPod|iPad)/.test(navigator.userAgent)) returnValue = true;
 
    else returnValue = hs.htmlExpand(opener, { 
        objectType: 'swf', 
        objectWidth: 480, 
        objectHeight: 385, 
        width: 480, 
        swfOptions: { 
            params: { 
                allowfullscreen: 'true' 
            }
        }, 
        maincontentText: 'You need to upgrade your Flash player' 
    });
    
    return returnValue;
}  
 
// Add the slideshow providing the controlbar and the thumbstrip
hs.addSlideshow({
    //slideshowGroup: 'group1',
    interval: 5000,
    repeat: false,
    useControls: true,
    overlayOptions: {
        className: 'text-controls',
        position: 'bottom center',
        relativeTo: 'viewport',
        offsetY: -60
    },
    thumbstrip: {
        position: 'bottom center',
        mode: 'horizontal',
        relativeTo: 'viewport'
    }
});
</script>