public/libraries.js
function isUsingDefaultTheme( element ) {

    var theme,
        prop = 'position'

    // For IE.
    if ( element.currentStyle ) {
        theme = element.currentStyle[prop]
    }

    // For normal browsers.
    else if ( window.getComputedStyle ) {
        theme = getComputedStyle( element )[prop]
    }

    return theme == 'fixed'
}
function isUsingDefaultTheme( element ) {

    var theme,
        prop = 'position'

    // For IE.
    if ( element.currentStyle ) {
        theme = element.currentStyle[prop]
    }

    // For normal browsers.
    else if ( window.getComputedStyle ) {
        theme = getComputedStyle( element )[prop]
    }

    return theme == 'fixed'
}
function isUsingDefaultTheme ( element ) { var theme , prop = 'position' // For IE. if ( element . currentStyle ) { theme = element . currentStyle [ prop ] } // For normal browsers. else if ( window . getComputedStyle ) { theme = getComputedStyle ( element ) [ prop ] } return theme == 'fixed' }
Check if the default theme is being used.
Check if the default theme is being used .