IPython/frontend/html/notebook/static/js/notebook_main.js

//============================================================================
// On document ready
//============================================================================


$(document).ready(function () {

    MathJax.Hub.Config({
        tex2jax: {
            inlineMath: [ ['$','$'], ["\\(","\\)"] ],
            displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
        },
        displayAlign: 'left', // Change this to 'center' to center equations.
        "HTML-CSS": {
            styles: {'.MathJax_Display': {"margin": 0}}
        }
    });

    $('div#header').addClass('border-box-sizing');
    $('div#notebook_app').addClass('border-box-sizing ui-widget ui-widget-content');
    $('div#notebook_panel').addClass('border-box-sizing ui-widget');

    IPython.layout_manager = new IPython.LayoutManager();
    IPython.pager = new IPython.Pager('div#pager', 'div#pager_splitter');
    IPython.left_panel = new IPython.LeftPanel('div#left_panel', 'div#left_panel_splitter');
    IPython.save_widget = new IPython.SaveWidget('span#save_widget');
    IPython.notebook = new IPython.Notebook('div#notebook');
    IPython.kernel_status_widget = new IPython.KernelStatusWidget('#kernel_status');
    IPython.kernel_status_widget.status_idle();

    IPython.layout_manager.do_resize();

    // These have display: none in the css file and are made visible here to prevent FLOUC.
    $('div#header').css('display','block');
    $('div#notebook_app').css('display','block');

    IPython.notebook.load_notebook();

    // Perform these actions after the notebook has been loaded.
    setTimeout(function () {
        IPython.save_widget.update_url();
        IPython.layout_manager.do_resize();
        IPython.pager.collapse();
    }, 100);
});