this.screenshotPreview = function () {
    /* CONFIG */

    xOffset = 10;
    yOffset = 30;

    // these 2 variable determine popup's distance from the cursor
    // you might want to adjust to get the right result

    /* END CONFIG */
    $("a.screenshot").hover(function (e) {
        this.t = this.title;
        this.title = "";
        var c = (this.t != "") ? "" + this.t : "";
        $("body").append("<p id='screenshot'><img src='" + this.rel + "' alt='url preview' />" + c + "</p>");
        $("#screenshot")
                        .css("top", (e.pageY - xOffset) + "px")
                        .css("left", (e.pageX + yOffset) + "px")
                        .fadeIn("fast");
    },
        function () {
            this.title = this.t;
            $("#screenshot").remove();
        });
    $("a.screenshot").mousemove(function (e) {
        $("#screenshot")
                        .css("top", (e.pageY - xOffset) + "px")
                        .css("left", (e.pageX + yOffset) + "px");
    });
};
this.imagePreview = function () {
    /* CONFIG */

    xOffset = 10;
    yOffset = 30;

    // these 2 variable determine popup's distance from the cursor
    // you might want to adjust to get the right result

    /* END CONFIG */
    $("a.preview").hover(function (e) {
        this.t = this.title;
        this.title = "";
        var c = (this.t != "") ? "" + this.t : "";
        $("body").append("<p id='preview'><img src='" + this.href + "' alt='Image preview' />" + c + "</p>");
        $("#preview")
                        .css("top", (e.pageY - xOffset) + "px")
                        .css("left", (e.pageX + yOffset) + "px")
                        .fadeIn("fast");
    },
        function () {
            this.title = this.t;
            $("#preview").remove();
        });
    $("a.preview").mousemove(function (e) {
        $("#preview")
                        .css("top", (e.pageY - xOffset) + "px")
                        .css("left", (e.pageX + yOffset) + "px");
    });
};
this.tooltip = function () {
    /* CONFIG */
    xOffset = 10;
    yOffset = 20;
    // these 2 variable determine popup's distance from the cursor
    // you might want to adjust to get the right result
    /* END CONFIG */
    $("a.tooltip").hover(function (e) {
        this.t = this.title;
        this.title = "";
        $("body").append("<p id='tooltip'>" + this.t + "</p>");
        $("#tooltip")
                        .css("top", (e.pageY - xOffset) + "px")
                        .css("left", (e.pageX + yOffset) + "px")
                        .fadeIn("fast");
    },
        function () {
            this.title = this.t;
            $("#tooltip").remove();
        });
    $("a.tooltip").mousemove(function (e) {
        $("#tooltip")
                        .css("top", (e.pageY - xOffset) + "px")
                        .css("left", (e.pageX + yOffset) + "px");
    });
};