function activateMovie(whichMovie){
		var arrayPageSize = getPageSize();
		
		Element.setWidth('video_overlay', arrayPageSize[0]);
		Element.setHeight('video_overlay', arrayPageSize[1]);
		$('video_overlay').setOpacity(0);
		$('video_overlay').show();
		new Effect.Opacity('video_overlay', {from:0,to:.75,duration:.5,afterFinish:function(){
				// calculate top and left offset for the lightbox 
				var arrayPageScroll = getPageScroll();
				var video_holderTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
				Element.setTop('video_holder', video_holderTop);
				$('video_holder').setOpacity(100);
				$('video_holder').show();
				loadMovie(whichMovie);
			}
		});
}

function deActivateMovie(){
		var so = new SWFObject("../includes/swf/empty.swf", "mov_fl", "720", "486", "7");
		so.addParam("menu","false");
		so.addParam("wmode","transparent");
		so.write('video_player');
		new Effect.Opacity('video_holder', {from:1,to:0,duration:.5});
		new Effect.Opacity('video_overlay', {from:.75,to:0,duration:.5,delay:.5,afterFinish:unloadMovie});
}

function loadMovie(whichMovie){
		var so = new SWFObject("../includes/swf/v3_movieLoader_nstc.swf?v=2", "mov_fl", "720", "486", "7","#FFFFFF");
		so.addParam("menu","false");
		so.addParam("wmode","window");
		so.addVariable("ldmov",whichMovie);
		so.write('video_player');
}
function unloadMovie(){
		$('video_overlay').hide();
		$('video_holder').hide();
}