foo.poptrox({
    preload:                    false,          // If true, preload fullsize images in
                                                // the background
    baseZIndex:                 1000,           // Base Z-Index
    fadeSpeed:                  300,            // Global fade speed
    overlayColor:               '#000000',      // Overlay color
    overlayOpacity:             0.6,            // Overlay opacity
    windowMargin:               50,             // Window margin size (in pixels; only comes into
                                                // play when an image is larger than the viewport)
    windowHeightPad:            0,              // Window height pad
    selector:                   'a',            // Anchor tag selector
    popupSpeed:                 300,            // Popup (resize) speed
    popupWidth:                 200,            // Popup width
    popupHeight:                100,            // Popup height
    popupIsFixed:               false,          // If true, popup won't resize to fit images
    useBodyOverflow:            true,           // If true, the BODY tag is set to overflow: hidden
                                                // when the popup is visible
    usePopupEasyClose:          true,           // If true, popup can be closed by clicking on
                                                // it anywhere
    usePopupLoader:             true,           // If true, show the popup loader
    usePopupCloser:             true,           // If true, show the popup closer button/link
    usePopupCaption:            false,          // If true, show the popup image caption
    usePopupNav:                false,          // If true, show (and use) popup navigation
    usePopupDefaultStyling:     true,           // If true, default popup styling will be applied
                                                // (background color, text color, etc)
    popupBackgroundColor:       '#FFFFFF',      // (Default Style) Popup background color (when 
                                                // usePopupStyling = true)
    popupTextColor:             '#000000',      // (Default Style) Popup text color (when
                                                // usePopupStyling = true)
    popupLoaderTextSize:        '2em',          // (Default Style) Popup loader text size
    popupCloserBackgroundColor: '#000000',      // (Default Style) Popup closer background color
                                                // (when usePopupStyling = true)
    popupCloserTextColor:       '#FFFFFF',      // (Default Style) Popup closer text color (when
                                                // usePopupStyling = true)
    popupCloserTextSize:        '20px',         // (Default Style) Popup closer text size
    popupPadding:               10,             // (Default Style) Popup padding (when
                                                // usePopupStyling = true)
    popupCaptionHeight:         60,             // (Default Style) Popup height of caption area
    popupCaptionTextSize:       null,           // (Default Style) Popup caption text size
    popupBlankCaptionText:      '(untitled)',   // Applied to images that don't have captions
                                                // (when captions are enabled)
    popupCloserText:            '&＃215;',       // Popup closer text
    popupLoaderText:            '••', // Popup loader text
    popupClass:                 'poptrox-popup',// Popup class
    popupSelector:              null,           // (Advanced) Popup selector (use this if you 
                                                // want to replace the built-in popup)
    popupLoaderSelector:        '.loader',      // (Advanced) Popup Loader selector
    popupCloserSelector:        '.closer',      // (Advanced) Popup Closer selector
    popupCaptionSelector:       '.caption',     // (Advanced) Popup Caption selector
    popupNavPreviousSelector:   '.nav-previous',// (Advanced) Popup Nav Previous selector
    popupNavNextSelector:       '.nav-next',    // (Advanced) Popup Nav Next selector
    onPopupClose:               null,           // Called when popup closes
    onPopupOpen:                null            // Called when popup opens
});

5. SUPPORTED TYPES

In addition to images, popups can also show other stuff (like YouTube videos). To do this, point your thumbnail’s anchor to the appropriate URL (see below for specifics) and give it a data-poptrox attribute like so:

The data-poptrox attribute breaks down like this:

• type: The type (eg. youtube)
• (width)x(height): An optional width and height for the popup (eg. 800×400)

YouTube Videos

• Link format: http://youtu.be/xxxxxxxxxxx (found via the “Share” link)
• Type: youtube
• Example:

Vimeo Videos

• Link format: http://vimeo.com/xxxxxxxx (found via the “Share” button under “Embed”)
• Type: vimeo
• Example:

Soundcloud Tracks

• Link format: https://api.soundcloud.com/tracks/xxxxxxxx (found via the “Share” button under “Widget Code” or “WordPress Code”)
• Type: soundcloud
• Example:

IFRAMEs

• Link format: Anything.
• Type: iframe
• Example:

AJAX Content

• Link format: Anything (as long as it’s on the same domain)
• Type: ajax
• Example:

Ignore

This “special” (unspecial?) type just tells Poptrox to treat whatever’s in href as if it were a normal link.

• Link format: Anything.
• Type: ignore
• Example: