corrected isVisible property to visible
corrected isVisible property to visible

srbala/melonJS,MarkoIvanetic/melonJS,MarkoIvanetic/melonJS,gopalindians/melonJS,Smoss/Enoru-eco,srbala/melonJS,rlugojr/melonJS,gopalindians/melonJS,TukekeSoft/melonJS,TukekeSoft/melonJS,melonjs/melonJS,TukekeSoft/melonJS,Smoss/Enoru-eco,melonjs/melonJS,rlugojr/melonJS,gopalindians/melonJS,srbala/melonJS,rlugojr/melonJS