A better way to read mangafox.

mangafox.js

script = document.createElement( 'script' );  
script.src = 'http://code.jquery.com/jquery-1.9.1.js';
document.body.appendChild(script);


    var all = document.getElementsByTagName("div");
    var viewer = document.getElementById("viewer").style;

    for (var i=0, max=all.length; i < max; i++) {
        all[i].style.visibility='hidden';
    }
    
    viewer.visibility='visible';
    viewer.position='absolute';
    viewer.top='2px';
    viewer.left='21%';
    viewer.webkitFilter=" drop-shadow(13px 13px 20px black) grayscale(1) hue-rotate(210deg) sepia(0.8)";
    viewer.zoom= "120%"

$("<div class='foo' />").appendTo('body');

$('.foo').css({
    'background-color': 'black',
    'position':'absolute',
    'top':'1px',
    'left':'1px',
    'bottom':'1px',
    'width':'200px' 
});

/*
Add this to your javascript console or save it as a bookmark.

javascript: (function () {   
    var jsCode = document.createElement('script');   
    jsCode.setAttribute('src', 'https://gist.github.com/sauravtom/5228263/raw');                    
  document.body.appendChild(jsCode);   
 }()); 

*/