/******************************************************
	* jQuery plug-in (modified)
	* 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");
            $("body").css("height", (bH + mB) + "px");
            // make space for the hovering footer at the very bottom of the page
            if ($.data(document.body, 'pinFooter') != 1) {
                $.data(document.body, 'pinFooter', 1);
                $("body").append("<div style=\"height: " + fH + "px\">&nbsp;</div>");
            }
        }
    };

    // 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);