Experimental shader active.
Jcrop now includes a shading mode that facilitates building
better transparent Jcrop instances. The experimental shader is less
robust than Jcrop's default shading method and should only be
used if you require this functionality.
Demonstration of animateTo API method and transitions for bgColor
and bgOpacity options. Color fading requires inclusion of John Resig's
Animations plugin. If it is not included, colors will not fade.