this.vtip = function () {
    this.xOffset = -10;
    this.yOffset = 10;
    $(".vtip").unbind().hover(function (a) {
        this.t = this.title;
        this.title = "";
        this.top = (a.pageY + yOffset);
        this.left = (a.pageX + xOffset);
        $("body").append('<p id="vtip"><img id="vtipArrow" />' + this.t + "</p>");
        $("p#vtip #vtipArrow").attr("src", "/css/images/vtip_arrow.png");
        $("p#vtip").css("top", this.top + "px").css("left", this.left + "px").fadeIn("slow")
    }
    , function () {
        this.title = this.t;
        $("p#vtip").fadeOut("slow").remove()
    })
    .mousemove(function (a) {
        this.top = (a.pageY + yOffset);
        this.left = (a.pageX + xOffset);
        $("p#vtip").css("top", this.top + "px").css("left", this.left + "px")
    })
};
jQuery(document).ready(function (a) {
    // show alt as title tooltip for images
    $("img:not([title])").each(function () {
        if ($(this).attr("alt") != '') {
            $(this).attr("title", $(this).attr("alt"));
            $(this).addClass("vtip");
        }
    })

    vtip()
});