/******************************************************
* jQuery plug-in
* Easy Pinned Footer
* Developed by J.P. Given (http://johnpatrickgiven.com)
* Useage: anyone so long as credit is left alone
******************************************************/
(function($)
{
    // plugin definition
    $.fn.pinFooter = function(options)
    {
        // Get the height of the footer and window + window width
        var wH = $(window).height();
        var wW = getWindowWidth();
        var fH = $(this).outerHeight(true);
        var bH = $("body").outerHeight(true);
        var mB = parseInt($("body").css("margin-bottom"));

        if (options == 'relative')
        {
            if (bH > getWindowHeight())
            {
                $(this).css("position", "absolute");
                //$(this).css("width", wW + "px");
                $(this).css("top", bH - fH + "px");
                $("body").css("overflow-x", "hidden");
            } else
            {
                $(this).css("position", "fixed");
                //$(this).css("width", wW + "px");
                $(this).css("top", wH - fH + "px");
            }
        } else
        { // Pinned option
            // Set CSS attributes for positioning footer
            $(this).css("position", "fixed");
            //$(this).css("width", wW + "px");
            $(this).css("top", wH - fH + "px");
            $("body").css("height", (bH + mB) + "px");
        }
    };

    // private function for debugging
    function debug($obj)
    {
        if (window.console && window.console.log)
        {
            //window.console.log('Window Width: ' + $(window).width());
            window.console.log('Window Height: ' + $(window).height());
        }
    };

    // Dependable function to get Window Height
    function getWindowHeight()
    {
        var windowHeight = 0;
        if (typeof (window.innerHeight) == 'number')
        {
            windowHeight = window.innerHeight;
        }
        else
        {
            if (document.documentElement && document.documentElement.clientHeight)
            {
                windowHeight = document.documentElement.clientHeight;
            }
            else
            {
                if (document.body && document.body.clientHeight)
                {
                    windowHeight = document.body.clientHeight;
                }
            }
        }
        return windowHeight;
    };

    // Dependable function to get Window Width
    function getWindowWidth()
    {
        var windowWidth = 0;
        if (typeof (window.innerWidth) == 'number')
        {
            windowWidth = window.innerWidth;
        }
        else
        {
            if (document.documentElement && document.documentElement.clientWidth)
            {
                windowWidth = document.documentElement.clientWidth;
            }
            else
            {
                if (document.body && document.body.clientWidth)
                {
                    windowWidth = document.body.clientWidth;
                }
            }
        }
        return windowWidth;
    };
})(jQuery);