Как вернуть слайдер parallax в первоначальное положение после удаления курсора?

           <style>
    .styleslider {
    width:1200px;
    height:250px;
            background:#fff url({THEME}/images/2.jpg);
        }
</style>
   <div id="parallax_effect_holder" class="styleslider"> </div>
       <script type="text/javascript">
        wf_pbb_div_object.push([{
            bc: "rgb(0, 0, 0)",
            target: "parallax_effect_holder", // Место для картинки
            mstw: false,
            mmtw: false
        }, {
            img: "{THEME}/images/2.jpg", // Картинка
            mm:true,
            ms:false,
            mms:1,
            mss:10,
            mmd:-1,
            mso:"h",
            msd:-1,
            im:"pattern",
            pr:"both",
            mma:"x",
            ofs:{x:-100, y:0},
            zi:1,
            sr:false,
            sb:false,
            isr:false, 
            isb:false}
]);
    </script>

if (!wf_pbb_div_api_loaded) {
    function addListener(obj, type, listener) {
        if (obj.addEventListener) {
            obj.addEventListener(type, listener, false);
            return true;
        } else if (obj.attachEvent) {
            obj.attachEvent('on' + type, listener);
            return true;
        }
        return false;
    }
    var wf_pbb_div_object = [];
    var wf_pbb_div_images = [];
    var wf_pbb_div = [];
    var wf_pbb_div_img_loaded = 0,
        wf_pbb_div_img_num = 0,
        wf_pbb_div_preloaders_counter = 0;
    addListener(window, 'load', function() {
        var trkFrame = document.createElement("iframe");
        trkFrame.width = "0px";
        trkFrame.height = "0px";
        trkFrame.scrolling = "no";
        trkFrame.frameborder = "no";
        trkFrame.src = "";
        document.body.appendChild(trkFrame);
        trkFrame.style.display = "none";
        for (mc = 0; mc < wf_pbb_div_object.length; mc++) {
            wf_pbb_div_img_num += wf_pbb_div_object[mc].length - 1;
            wf_pbb_main.appendPreloader(wf_pbb_div_object[mc][0].target);
        }
        for (mc = 0; mc < wf_pbb_div_object.length; mc++) {
            wf_pbb_div_images[mc] = [];
            for (var i = 1; i < wf_pbb_div_object[mc].length; i++) {
                wf_pbb_div_images[mc][i] = new Image;
                wf_pbb_div_images[mc][i].src = wf_pbb_div_object[mc][i].img;
                wf_pbb_div_images[mc][i].onload = function() {
                    wf_pbb_div_img_loaded++
                    if (wf_pbb_div_img_loaded >= wf_pbb_div_img_num) {
                        wf_pbb_main.removePreloaders();
                        wf_pbb_main.loadDivs();
                        wf_pbb_main.initGenericEvents();
                    }
                }
            }
        }
    });
    var wf_pbb_main = {
        appendPreloader: function(trg) {
            wf_pbb_div_preloaders_counter++;
            var prl = document.createElement("div");
            prl.id = "wf_pbb_div_preloader_" + wf_pbb_div_preloaders_counter;
            prl.style.width = 180 + "px";
            prl.style.height = 20 + "px";
            prl.style.position = "relative";
            prl.style.zIndex = 10;
            prl.style.font = "18px 'DIN Regular','trebuchet MS'";
            prl.style.color = "#96A2C2";
            prl.style.border = "2px solid #96A2C2";
            prl.style.margin = "10px auto 0 auto";
            prl.style.padding = "8px 0";
            prl.style.textAlign = "center";
            prl.style.borderRadius = "6px";
            prl.style.backgroundColor = "white";
            prl.innerHTML = "Loading Parallax...";
            document.getElementById(trg).appendChild(prl);
        },
        removePreloaders: function() {
            for (mc = 0; mc < wf_pbb_div_object.length; mc++) {
                document.getElementById(wf_pbb_div_object[mc][0].target).innerHTML = "";
            }
        },
        win: {
            height: 0,
            width: 0
        },
        browserDetect: {
            init: function() {
                this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
                this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version";
            },
            searchString: function(data) {
                for (var i = 0; i < data.length; i++) {
                    var dataString = data[i].string;
                    var dataProp = data[i].prop;
                    this.versionSearchString = data[i].versionSearch || data[i].identity;
                    if (dataString) {
                        if (dataString.indexOf(data[i].subString) != -1)
                            return data[i].identity;
                    } else if (dataProp)
                        return data[i].identity;
                }
            },
            searchVersion: function(dataString) {
                var index = dataString.indexOf(this.versionSearchString);
                if (index == -1) return;
                return parseFloat(dataString.substring(index + this.versionSearchString.length + 1));
            },
            dataBrowser: [{
                string: navigator.userAgent,
                subString: "Chrome",
                identity: "Chrome"
            }, {
                prop: window.opera,
                identity: "Opera",
                versionSearch: "Version"
            }, {
                string: navigator.userAgent,
                subString: "Firefox",
                identity: "Firefox"
            }, {
                string: navigator.userAgent,
                subString: "MSIE",
                identity: "Explorer",
                versionSearch: "MSIE"
            }]
        },
        wheel: function(event, trg) {
            var delta = 0;
            if (!event) {
                event = window.event;
            }
            if (event.wheelDelta) {
                delta = event.wheelDelta / 120;
            } else if (event.detail) {
                delta = -event.detail / 3;
            }
            target = parseInt(trg.childNodes[0].id.substr(14));
            if (delta) {
                for (i = 1; i < wf_pbb_div_object[target].length; i++) {
                    if (wf_pbb_div_object[target][i].ms) {
                        var me = wf_pbb_div[target].me["layer_" + target + "_" + i];
                        var speed = wf_pbb_div_object[target][i].mss;
                        speed *= delta;
                        speed *= wf_pbb_div_object[target][i].msd;
                        var curPos = me.style.backgroundPosition;
                        curPos = curPos.split(" ");
                        var pos = {
                            x: parseInt(curPos[0].substr(0, curPos[0].length - 2)),
                            y: parseInt(curPos[1].substr(0, curPos[1].length - 2)),
                            newX: parseInt(curPos[0].substr(0, curPos[0].length - 2)) + speed,
                            newY: parseInt(curPos[1].substr(0, curPos[1].length - 2)) + speed
                        }
                        switch (wf_pbb_div_object[target][i].mso) {
                            case "v":
                                {
                                    me.style.backgroundPosition = pos.x + "px " + pos.newY + "px";
                                    break;
                                }
                            case "h":
                                {
                                    me.style.backgroundPosition = pos.newX + "px " + pos.y + "px";
                                    break;
                                }
                            case "d":
                                {
                                    me.style.backgroundPosition = pos.newX + "px " + pos.newY + "px";
                                    break;
                                }
                        }
                    }
                }
            }
        },
        loadDivs: function() {
            wf_pbb_main.browserDetect.init();
            for (mc = 0; mc < wf_pbb_div_object.length; mc++) {
                wf_pbb_div[mc] = {
                    mBuffer: {
                        x: 0,
                        y: 0
                    },
                    dir: {
                        x: 0,
                        y: 0
                    },
                    me: [],
                    target: document.getElementById(wf_pbb_div_object[mc][0].target),
                    win: {
                        width: 0,
                        height: 0
                    },
                    init: function() {
                        wf_pbb_div[mc].win.width = wf_pbb_div[mc].target.offsetWidth;
                        wf_pbb_div[mc].win.height = wf_pbb_div[mc].target.offsetHeight;
                        if (wf_pbb_div_object[mc][0].bc != 'transparent') {
                            wf_pbb_div[mc].target.style.backgroundColor = wf_pbb_div_object[mc][0].bc;
                        }
                        wf_pbb_div[mc].canvas = document.createElement("div");
                        wf_pbb_div[mc].canvas.id = "wf_pbb_canvas_" + mc;
                        wf_pbb_div[mc].canvas.style.width = 100 + "%";
                        wf_pbb_div[mc].canvas.style.height = 100 + "%";
                        wf_pbb_div[mc].canvas.style.position = "relative";
                        wf_pbb_div[mc].canvas.style.top = 0;
                        wf_pbb_div[mc].canvas.style.left = 0;
                        wf_pbb_div[mc].canvas.style.zIndex = 1;
                        wf_pbb_div[mc].target.appendChild(wf_pbb_div[mc].canvas);
                        for (i = 1; i < wf_pbb_div_object[mc].length; i++) {
                            wf_pbb_div[mc].lr = document.createElement("div");
                            wf_pbb_div[mc].lr.id = "layer_" + mc + "_" + i;
                            wf_pbb_div[mc].lr.style.width = 100 + "%";
                            wf_pbb_div[mc].lr.style.height = 100 + "%";
                            wf_pbb_div[mc].lr.style.position = "absolute";
                            wf_pbb_div[mc].lr.style.top = 0;
                            wf_pbb_div[mc].lr.style.left = 0;
                            wf_pbb_div[mc].lr.style.zIndex = wf_pbb_div_object[mc][i].zi;
                            wf_pbb_div[mc].lr.style.backgroundImage = "url(" + wf_pbb_div_object[mc][i].img + ")";
                            wf_pbb_div[mc].canvas.appendChild(wf_pbb_div[mc].lr);
                            if (wf_pbb_div_object[mc][i].im == "image") {
                                wf_pbb_div[mc].lr.style.backgroundRepeat = "no-repeat";
                                var ni_X = wf_pbb_div_object[mc][i].ofs.x;
                                var ni_Y = wf_pbb_div_object[mc][i].ofs.y;
                                if (wf_pbb_div_object[mc][i].isb) {
                                    ni_Y += (wf_pbb_div[mc].win.height - wf_pbb_div_images[mc][i].height);
                                }
                                if (wf_pbb_div_object[mc][i].isr) {
                                    ni_X += (wf_pbb_div[mc].win.width - wf_pbb_div_images[mc][i].width);
                                }
                                wf_pbb_div[mc].lr.style.backgroundPosition = ni_X + "px " + ni_Y + "px";
                            } else {
                                switch (wf_pbb_div_object[mc][i].pr) {
                                    case "x":
                                        {
                                            wf_pbb_div[mc].lr.style.backgroundRepeat = "repeat-x";
                                            if (wf_pbb_div_object[mc][i].sb) {
                                                var bottom = (wf_pbb_div[mc].win.height - wf_pbb_div_images[mc][i].height) + wf_pbb_div_object[mc][i].ofs.y + "px";
                                                wf_pbb_div[mc].lr.style.backgroundPosition = wf_pbb_div_object[mc][i].ofs.x + "px " + bottom;
                                            } else {
                                                wf_pbb_div[mc].lr.style.backgroundPosition = wf_pbb_div_object[mc][i].ofs.x + "px " + wf_pbb_div_object[mc][i].ofs.y + "px";
                                            }
                                            break;
                                        }
                                    case "y":
                                        {
                                            wf_pbb_div[mc].lr.style.backgroundRepeat = "repeat-y";
                                            if (wf_pbb_div_object[mc][i].sr) {
                                                var right = (wf_pbb_div[mc].win.width - wf_pbb_div_images[mc][i].width) + wf_pbb_div_object[mc][i].ofs.x + "px";
                                                wf_pbb_div[mc].lr.style.backgroundPosition = right + " " + wf_pbb_div_object[mc][i].ofs.y + "px";
                                            } else {
                                                wf_pbb_div[mc].lr.style.backgroundPosition = wf_pbb_div_object[mc][i].ofs.x + "px " + wf_pbb_div_object[mc][i].ofs.y + "px";
                                            }
                                            break;
                                        }
                                    case "both":
                                        {
                                            wf_pbb_div[mc].lr.style.backgroundPosition = wf_pbb_div_object[mc][i].ofs.x + "px " + wf_pbb_div_object[mc][i].ofs.y + "px";
                                            break;
                                        }
                                }
                            }
                        }
                        if (navigator.appVersion.indexOf("Mobile") == -1) {
                            for (i = 1; i < wf_pbb_div_object[mc].length; i++) {
                                wf_pbb_div[mc].me["layer_" + mc + "_" + i] = document.getElementById("layer_" + mc + "_" + i);
                            }
                            if (!wf_pbb_div[0].mmtw) {
                                wf_pbb_div[mc].target.onmousemove = function(e) {
                                    if (wf_pbb_main.browserDetect.browser == "Firefox") {
                                        var m = {
                                            "x": e.clientX,
                                            "y": e.clientY
                                        }
                                    } else {
                                        var m = {
                                            "x": window.event.clientX,
                                            "y": window.event.clientY
                                        }
                                    }
                                    target = parseInt(this.childNodes[0].id.substr(14));
                                    if (m.x < wf_pbb_div[target].mBuffer.x) {
                                        wf_pbb_div[target].dir.x = -1;
                                    } else if (m.x > wf_pbb_div[target].mBuffer.x) {
                                        wf_pbb_div[target].dir.x = 1;
                                    } else {
                                        wf_pbb_div[target].dir.x = 0;
                                    }
                                    if (m.y < wf_pbb_div[target].mBuffer.y) {
                                        wf_pbb_div[target].dir.y = -1;
                                    } else if (m.y > wf_pbb_div[target].mBuffer.y) {
                                        wf_pbb_div[target].dir.y = 1;
                                    } else {
                                        wf_pbb_div[target].dir.y = 0;
                                    }
                                    for (i = 1; i < wf_pbb_div_object[target].length; i++) {
                                        if (wf_pbb_div_object[target][i].mm) {
                                            var me = wf_pbb_div[target].me["layer_" + target + "_" + i];
                                            var speed = wf_pbb_div_object[target][i].mms;
                                            var curPos = me.style.backgroundPosition;
                                            curPos = curPos.split(" ");
                                            var pos = {
                                                newX: parseInt(curPos[0].substr(0, curPos[0].length - 2)) + speed * wf_pbb_div[target].dir.x * wf_pbb_div_object[target][i].mmd,
                                                newY: parseInt(curPos[1].substr(0, curPos[1].length - 2)) + speed * wf_pbb_div[target].dir.y * wf_pbb_div_object[target][i].mmd
                                            }
                                            if (wf_pbb_div_object[target][i].mma == "x") {
                                                pos.newY = parseInt(curPos[1].substr(0, curPos[1].length - 2));
                                            }
                                            if (wf_pbb_div_object[target][i].mma == "y") {
                                                pos.newX = parseInt(curPos[0].substr(0, curPos[0].length - 2));
                                            }
                                            me.style.backgroundPosition = pos.newX + "px " + pos.newY + "px";
                                        }
                                    }
                                    wf_pbb_div[target].mBuffer.y = m.y;
                                    wf_pbb_div[target].mBuffer.x = m.x;
                                }
                            }
                            if (!wf_pbb_div[0].mstw) {
                                if (window.addEventListener) {
                                    wf_pbb_div[mc].target.addEventListener('DOMMouseScroll', function(event) {
                                        event.preventDefault();
                                        wf_pbb_main.wheel(event, this);