(function ($) {
    $.fn.tooltips = function (options) {
        var defaults = {
            tip_follows_cursor: "on",
            tip_delay_time: 1000
        };
        var options = $.extend(defaults, options);
        $("body").append("<div id='tip-container'></div>"); //create the tooltip container
        smtTip = $("#tip-container");
        smtTip.hide(); //hide it
        return this.each(function () {
            function smtMouseMove(e) {
                smtMouseCoordsX = e.pageX;
                smtMouseCoordsY = e.pageY;
                smtTipPosition();
            }
            function smtTipPosition() {
                var cursor_tip_margin_x = 0; //horizontal space between the cursor and tooltip
                var cursor_tip_margin_y = 24; //vertical space between the cursor and tooltip
                var leftOffset = smtMouseCoordsX + cursor_tip_margin_x + $(smtTip).outerWidth();
                var topOffset = smtMouseCoordsY + cursor_tip_margin_y + $(smtTip).outerHeight();
                if (leftOffset <= $(window).width()) {
                    smtTip.css("left", smtMouseCoordsX + cursor_tip_margin_x);
                } else {
                    var thePosX = smtMouseCoordsX - (cursor_tip_margin_x) - $(smtTip).width();
                    smtTip.css("left", thePosX);
                }
                if (topOffset <= $(window).height()) {
                    smtTip.css("top", smtMouseCoordsY + cursor_tip_margin_y);
                } else {
                    var thePosY = smtMouseCoordsY - (cursor_tip_margin_y) - $(smtTip).height();
                    smtTip.css("top", thePosY);
                }
            }
            $(this).hover(function (e) {
                if ($(this).hasClass(".disabled"))
                    return;

                // mouseover
                var $this = $(this);
                $this.data("smtTitle", $this.attr("title")); //store title 
                var theTitle = $this.data("smtTitle");
                $this.attr("title", ""); //remove title to prevent native tooltip showing
                smtTip.empty().append(theTitle).hide(); //set tooltip text and hide it
                smtTip_delay = setInterval(smtTip_fadeIn, options.tip_delay_time); //set tooltip delay
                if (options.tip_follows_cursor == "off") {
                    smtMouseMove(e);
                } else {
                    $(document).bind("mousemove", function (event) {
                        smtMouseMove(event);
                    });
                }
            }, function () {
                // mouseout
                var $this = $(this);
                if (options.tip_follows_cursor != "off") {
                    $(document).unbind("mousemove");
                }
                clearInterval(smtTip_delay);
                if (smtTip.is(":animated")) {
                    smtTip.hide();
                } else {
                    smtTip.fadeTo("fast", 0);
                }
                $this.attr("title", $this.data("smtTitle")); //add back title
            });
            function smtTip_fadeIn() {
                smtTip.fadeTo("fast", 1, function () { clearInterval(smtTip_delay); });
            }
            $(this).click(function () {
                var $this = $(this);
                $this.attr("title", $this.data("smtTitle")); //add back title
            });
        });
    };
})(jQuery);