function showOverlay(videoLink,width,height) {

	fillOverlayContent(videoLink,width,height);	

	$('preview-background').setStyle("opacity: 0");
	$('preview-background').show();
 	$('preview-holder').show();
	$('preview-foreground').show();
	
	new Effect.Opacity('preview-background', { from: 0, to: .7});
	/*new Effect.Show('preview-foreground', { queue: 'end' });*/
	new Effect.Appear('overlay_content', { from: 1, to: 1, queue: 'end' });
}

function clearOverlay() {
	
	$('preview-foreground').hide();
	$('preview-background').fade();
	$('preview-holder').hide();
}

function fillOverlayContent(videoLink,width,height) {
	$('overlay_content').innerHTML = '<object CLASSID="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" width="'+ width + '" height="'+ height + '" CODEBASE="http://www.apple.com/qtactivex/qtplugin.cab"><param name="src" value="' + videoLink + '"><param name="showlogo" value="false"><param name="autoplay" value="false"><param name="loop" value="false"><param name="controller" value="true"><embed src="' + videoLink + '" width="' + width + '" height="' + height + '" autoplay="false" showlogo="false" loop="false" controller="true" pluginspage="http://www.apple.com/quicktime/"></embed></object>';
}