(function () {
    var d = document, w = window; function get(element) {
        if (typeof element == "string")
            element = d.getElementById(element); return element;
    }
    function addEvent(el, type, fn) {
        if (w.addEventListener) { el.addEventListener(type, fn, false); } else if (w.attachEvent) {
            var f = function () { fn.call(el, w.event); }; el.attachEvent('on' + type, f)
        }
    }
    var toElement = function () {
        var div = d.createElement('div'); return function (html) { div.innerHTML = html; var el = div.childNodes[0]; div.removeChild(el); return el; }
    } (); function hasClass(ele, cls) { return ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)')); }
    function addClass(ele, cls) { if (!hasClass(ele, cls)) ele.className += " " + cls; }
    function removeClass(ele, cls) { var reg = new RegExp('(\\s|^)' + cls + '(\\s|$)'); ele.className = ele.className.replace(reg, ' '); }
    if (document.documentElement["getBoundingClientRect"]) {
        var getOffset = function (el) {
            var box = el.getBoundingClientRect(), doc = el.ownerDocument, body = doc.body, docElem = doc.documentElement, clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0, zoom = 1; if (body.getBoundingClientRect) { var bound = body.getBoundingClientRect(); zoom = (bound.right - bound.left) / body.clientWidth; }
            if (zoom > 1) { clientTop = 0; clientLeft = 0; }
            var top = box.top / zoom + (window.pageYOffset || docElem && docElem.scrollTop / zoom || body.scrollTop / zoom) - clientTop, left = box.left / zoom + (window.pageXOffset || docElem && docElem.scrollLeft / zoom || body.scrollLeft / zoom) - clientLeft; return { top: top, left: left
            };
        }
    } else {
        var getOffset = function (el) {
            if (w.jQuery) { return jQuery(el).offset(); }
            var top = 0, left = 0; do { top += el.offsetTop || 0; left += el.offsetLeft || 0; }
            while (el = el.offsetParent); return { left: left, top: top
            };
        }
    }
    function getBox(el) {
        var left, right, top, bottom; var offset = getOffset(el); left = offset.left; top = offset.top; right = left + el.offsetWidth; bottom = top + el.offsetHeight; return { left: left, right: right, top: top, bottom: bottom
        };
    }
    function getMouseCoords(e) {
        if (!e.pageX && e.clientX) {
            var zoom = 1; var body = document.body; if (body.getBoundingClientRect) { var bound = body.getBoundingClientRect(); zoom = (bound.right - bound.left) / body.clientWidth; }
            return { x: e.clientX / zoom + d.body.scrollLeft + d.documentElement.scrollLeft, y: e.clientY / zoom + d.body.scrollTop + d.documentElement.scrollTop
            };
        }
        return { x: e.pageX, y: e.pageY
        };
    }
    var getUID = function () {
        var id = 0; return function () { return 'ValumsAjaxUpload' + id++; }
    } (); function fileFromPath(file) { return file.replace(/.*(\/|\\)/, ""); }
    function getExt(file) { return (/[.]/.exec(file)) ? /[^.]+$/.exec(file.toLowerCase()) : ''; }
    Ajax_upload = AjaxUpload = function (button, options) {
        if (button.jquery) { button = button[0]; } else if (typeof button == "string" && /^#.*/.test(button)) { button = button.slice(1); }
        button = get(button); this._input = null; this._button = button; this._disabled = false; this._submitting = false; this._justClicked = false; this._parentDialog = d.body; if (window.jQuery && jQuery.ui && jQuery.ui.dialog) {
            var parentDialog = jQuery(this._button).parents('.ui-dialog'); if (parentDialog.length) { this._parentDialog = parentDialog[0]; }
        }
        this._settings = { action: 'upload.php', name: 'userfile', data: {}, autoSubmit: true, responseType: false, onChange: function (file, extension) { }, onSubmit: function (file, extension) { }, onComplete: function (file, response) { }
        }; for (var i in options) { this._settings[i] = options[i]; }
        this._createInput(); this._rerouteClicks();
    }
    AjaxUpload.prototype = { setData: function (data) { this._settings.data = data; }, disable: function () { this._disabled = true; }, enable: function () { this._disabled = false; }, destroy: function () {
        if (this._input) {
            if (this._input.parentNode) { this._input.parentNode.removeChild(this._input); }
            this._input = null;
        }
    }, _createInput: function () {
        var self = this; var input = d.createElement("input"); input.setAttribute('type', 'file'); input.setAttribute('name', this._settings.name); var styles = { 'position': 'absolute', 'margin': '-5px 0 0 -175px', 'padding': 0, 'width': '220px', 'height': '30px', 'fontSize': '14px', 'opacity': 0, 'cursor': 'pointer', 'display': 'none', 'zIndex': 2147483583
        }; for (var i in styles) { input.style[i] = styles[i]; }
        if (!(input.style.opacity === "0")) { input.style.filter = "alpha(opacity=0)"; }
        this._parentDialog.appendChild(input); addEvent(input, 'change', function () {
            var file = fileFromPath(this.value); if (self._settings.onChange.call(self, file, getExt(file)) == false) { return; }
            if (self._settings.autoSubmit) { self.submit(); }
        }); addEvent(input, 'click', function () { self.justClicked = true; setTimeout(function () { self.justClicked = false; }, 3000); }); this._input = input;
    }, _rerouteClicks: function () {
        var self = this; var box, dialogOffset = { top: 0, left: 0 }, over = false; addEvent(self._button, 'mouseover', function (e) {
            if (!self._input || over) return; over = true; box = getBox(self._button); if (self._parentDialog != d.body) { dialogOffset = getOffset(self._parentDialog); }
        }); addEvent(document, 'mousemove', function (e) {
            var input = self._input; if (!input || !over) return; if (self._disabled) { removeClass(self._button, 'hover'); input.style.display = 'none'; return; }
            var c = getMouseCoords(e); if ((c.x >= box.left) && (c.x <= box.right) &&
(c.y >= box.top) && (c.y <= box.bottom)) { input.style.top = c.y - dialogOffset.top + 'px'; input.style.left = c.x - dialogOffset.left + 'px'; input.style.display = 'block'; addClass(self._button, 'hover'); } else {
                over = false; if (!self.justClicked) { input.style.display = 'none'; }
                removeClass(self._button, 'hover');
            }
        });
    }, _createIframe: function () { var id = getUID(); var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />'); iframe.id = id; iframe.style.display = 'none'; d.body.appendChild(iframe); return iframe; }, submit: function () {
        var self = this, settings = this._settings; if (this._input.value === '') { return; }
        var file = fileFromPath(this._input.value); if (!(settings.onSubmit.call(this, file, getExt(file)) == false)) {
            var iframe = this._createIframe(); var form = this._createForm(iframe); form.appendChild(this._input); form.submit(); d.body.removeChild(form); form = null; this._input = null; this._createInput(); var toDeleteFlag = false; addEvent(iframe, 'load', function (e) {
                if (iframe.src == "javascript:'%3Chtml%3E%3C/html%3E';" || iframe.src == "javascript:'<html></html>';") {
                    if (toDeleteFlag) { setTimeout(function () { d.body.removeChild(iframe); }, 0); }
                    return;
                }
                var doc = iframe.contentDocument ? iframe.contentDocument : frames[iframe.id].document; if (doc.readyState && doc.readyState != 'complete') { return; }
                if (doc.body && doc.body.innerHTML == "false") { return; }
                var response; if (doc.XMLDocument) { response = doc.XMLDocument; } else if (doc.body) {
                    response = doc.body.innerHTML; if (settings.responseType && settings.responseType.toLowerCase() == 'json') {
                        if (doc.body.firstChild && doc.body.firstChild.nodeName.toUpperCase() == 'PRE') { response = doc.body.firstChild.firstChild.nodeValue; }
                        if (response) { response = window["eval"]("(" + response + ")"); } else { response = {}; }
                    }
                } else { var response = doc; }
                settings.onComplete.call(self, file, response); toDeleteFlag = true; iframe.src = "javascript:'<html></html>';";
            });
        } else { d.body.removeChild(this._input); this._input = null; this._createInput(); }
    }, _createForm: function (iframe) {
        var settings = this._settings; var form = toElement('<form method="post" enctype="multipart/form-data"></form>'); form.style.display = 'none'; form.action = settings.action; form.target = iframe.name; d.body.appendChild(form); for (var prop in settings.data) { var el = d.createElement("input"); el.type = 'hidden'; el.name = prop; el.value = settings.data[prop]; form.appendChild(el); }
        return form;
    }
    };
})();