image slideshow issue

image slideshow issue

Hi i am using following script for image slideshow

$(document).ready(function(){
    $('#slider') .cycle({
        fx: 'fade',
        speed:  'slow',
           timeout: 2000
    });
}); 

It works fine on my pc's all browser but when i check other pc on firefox (firefox 28 same version available on my pc also) showing me black patch also slide between images slide.

Please help me to solve this issue.

Thanks in Advance.