LightBox Image Popup

Ok i've added this between
%26lt;head%26gt; and %26lt;/head%26gt;

%26lt;script type=''text/javascript''%26gt;
function SWFDelegate(url,width,height,caption) {
var objLink = document.createElement('a');
objLink.setAttribute('href',url);
objLink.setAttribute('rel','lightbox');
objLink.setAttribute('title',caption);
if(typeof width != 'undefined') {
?objLink.setAttribute('width',width);
}
if(typeof height != 'undefined') {
?objLink.setAttribute('height',height);
}
Lightbox.prototype.start(objLink);
}
%26lt;/script%26gt;
%26lt;/head%26gt;

and on my button image on Adobe Flash CS3 i have.

on( release )
{
getURL(''javascript:SWFDelegate('images/nelson.png','480','640','Septik')'');
}

The picture shows the clickable hand but it doesn't show my picture any bigger, when i click it nothing happens, please help.