$(document).ready(function () {
            $("#tab2 img").mouseenter(function () {
                if (typeof (ti) != 'undefined')
                    clearTimeout(ti);
                $("img[name=mainimage]").attr("src", $(this).attr("medimg"));
            }).mouseleave(function () {
                ti = setTimeout(function () {
                    $("img[name=mainimage]").attr("src", $("img[name=mainimage]").data("currentImage"));
                }, 500);
            });
            $("img[name=mainimage]").data("currentImage", $("img[name=mainimage]").attr("src"));
            var imgs = new Array();
            $("#tab2 img").each(function () {
                var img = new Image();
                img.src = $(this).attr("medimg");
                imgs.push(img);
            });
        });

        function swapImgRestore() { //v3.0
            var i, x, a = document.sr;
            for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
        }

        function findObj(n, d) { //v4.0
            var p, i, x; if (!d) d = document;
            if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
                d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
            }
            if (!(x = d[n]) && d.all) x = d.all[n];
            for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
            for (i = 0; !x && d.layers && i < d.layers.length; i++) x = findObj(n, d.layers[i].document);
            if (!x && document.getElementById) x = document.getElementById(n);
            return x;
        }

        function swapImage() { //v3.0
            var i, j = 0, x, a = swapImage.arguments; document.sr = new Array;
            for (i = 0; i < (a.length - 2); i += 3)
                if ((x = findObj(a[i])) != null) {
                    document.sr[j++] = x;
                    if (!x.oSrc) x.oSrc = x.src; x.src = a[i + 2];
                }
        }

        function preloadImages() { //v3.0
            var d = document;
            if (d.images) {
                if (!d.p) d.p = new Array();
                var i, j = d.p.length, a = preloadImages.arguments;
                for (i = 0; i < a.length; i++)
                    if (a[i].indexOf("#") != 0) {
                        d.p[j] = new Image; d.p[j++].src = a[i];
                    }
            }
        }


        function addEvent(elm, evType, fn, useCapture) {
            if (elm.addEventListener) {
                elm.addEventListener(evType, fn, useCapture);
                return (true);
            }
            else if (elm.attachEvent) {
                var r = elm.attachEvent('on' + evType, fn);
                return (r);
            }
            else {
                elm['on' + evType] = fn;
            }
        }

        var CurrentHomeImage = false;
        var ti;

        function SwapOut(img) {
            clearTimeout(ti);
            if (!CurrentHomeImage) {
                CurrentHomeImage = document.images['mainImg'].src;
            }
            document.images['mainImg'].src = img;
        }