(function($)
    {
    $.fn.jqueryzoom = function(options)
        {
        var settings = { xzoom: 265, yzoom: 265, offset: 10, position: "right", lens: 1, preload: 1 };

        if (options)
            {
            $.extend(settings, options)
            }

        var noalt = '';
        $(this).hover(function()
            {
            var imageLeft = $(this).offset().left;
            var imageTop = $(this).offset().top;
            var imageWidth = $(this).children('img').get(0).offsetWidth;
            var imageHeight = $(this).children('img').get(0).offsetHeight;
            noalt = $(this).children("img").attr("alt");
            var bigimage = $(this).children("img").attr("jqimg");
            $(this).children("img").attr("alt", '');

            if ($("div.zoomdiv").get().length == 0)
                {
                $(this).after("<div class='zoomdiv'><img class='bigimg' src='"+bigimage+"'/></div>");
                $(this).append("<div class='jqZoomPup'>&nbsp;</div>")
                }

            if (settings.position == "right")
                {
                if (imageLeft + imageWidth + settings.offset + settings.xzoom > screen.width)
                    {
                    leftpos = imageLeft - settings.offset - settings.xzoom
                    }

                else
                    {
                    leftpos = imageLeft + imageWidth + settings.offset
                    }
                }

            else
                {
                leftpos = imageLeft - settings.xzoom - settings.offset;

                if (leftpos < 0)
                    {
                    leftpos = imageLeft + imageWidth + settings.offset
                    }
                }

            $("div.zoomdiv").css({ top: imageTop, left: leftpos });
            $("div.zoomdiv").width(settings.xzoom);
            $("div.zoomdiv").height(settings.yzoom);
            $("div.zoomdiv").show();

            if (!settings.lens)
                {
                $(this).css('cursor', 'crosshair')
                }

            $(document.body).mousemove(function(e)
                {
                mouse = new MouseEvent(e);
                var bigwidth = $(".bigimg").get(0).offsetWidth;
                var bigheight = $(".bigimg").get(0).offsetHeight;
                var scaley = 'x';
                var scalex = 'y';

                if (isNaN(scalex) | isNaN(scaley))
                    {
                    var scalex = (bigwidth / imageWidth);
                    var scaley = (bigheight / imageHeight);
                    $("div.jqZoomPup").width((settings.xzoom) / scalex);
                    $("div.jqZoomPup").height((settings.yzoom) / scaley);

                    if (settings.lens)
                        {
                        $("div.jqZoomPup").css('visibility', 'visible')
                        }
                    }

                xpos = mouse.x - $("div.jqZoomPup").width() / 2 - imageLeft;
                ypos = mouse.y - $("div.jqZoomPup").height() / 2 - imageTop;

                if (settings.lens)
                    {
                    xpos = (mouse.x - $("div.jqZoomPup").width() / 2 < imageLeft) ? 0 : (mouse.x + $("div.jqZoomPup").width() / 2 > imageWidth + imageLeft) ? (imageWidth - $("div.jqZoomPup").width() - 2) : xpos;
                    ypos = (mouse.y - $("div.jqZoomPup").height() / 2 < imageTop) ? 0 : (mouse.y + $("div.jqZoomPup").height() / 2 > imageHeight + imageTop) ? (imageHeight - $("div.jqZoomPup").height() - 2) : ypos
                    }

                if (settings.lens)
                    {
                    $("div.jqZoomPup").css({ top: ypos, left: xpos })
                    }

                scrolly = ypos;
                $("div.zoomdiv").get(0).scrollTop = scrolly * scaley;
                scrollx = xpos;
                $("div.zoomdiv").get(0).scrollLeft = (scrollx) * scalex
                })
            },        function()
            {
            $(this).children("img").attr("alt", noalt);
            $(document.body).unbind("mousemove");

            if (settings.lens)
                {
                $("div.jqZoomPup").remove()
                }

            $("div.zoomdiv").remove()
            });

        count = 0;

        if (settings.preload)
            {
            $('body').append("<div style='display:none;' class='jqPreload"+count+"'>sdsdssdsd</div>");
            $(this).each(function()
                {
                var imagetopreload = $(this).children("img").attr("jqimg");
                var content = jQuery('div.jqPreload' + count + '').html();
                jQuery('div.jqPreload' + count + '').html(content + '<img src=\"'+imagetopreload+'\">')
                })
            }
        }
    } )(jQuery);

function MouseEvent(e)
    {
    this.x = e.pageX;
    this.y = e.pageY
    }