Demo 5 - Make thumbnails semi-transparent
Adding a semi-transparent effect to the thumbnails can be easily implemented via the CSS class: .thumb and .thumb-on:
#thumbs .thumb img{ opacity:0.6;filter:alpha(opacity:60); }
#thumbs .thumb-on img{ opacity:1;filter:alpha(opacity:100);}
Yes. That's all there is to it.
The full source code is included in the "Download" on the page Menucool Javascript Image Slider.