var ajaxLoader = {
    init: function() {
        this.panel = new Element('div', { 'id': 'ajaxLoading_panel', 'styles': { 'display': 'none', 'position': 'absolute', 'left': '50%', 'top': '50%', 'z-index': '9999999999999', 'text-align': 'center', 'margin-top': '-50px', 'margin-left': '-' + 17 + 'px', 'opacity': '0', 'width': '35px'} }).inject(document.body);
        this.panel.set('tween', { duration: 'long' });
        this.content = new Element('div', { 'styles': { 'border': '1px solid #808080', 'vertical-align': 'middle'} }).inject(this.panel);
        this.header = new Element('div', { 'id': 'ajaxLoading_header', 'styles': { 'white-space': 'nowrap', 'background': 'url(/images/background_silver.jpg)', 'padding': '0 5px', 'color': '#000', 'font-size': '9pt', 'font-weight': 'bold', 'font-family': 'arial', 'line-height': '1.9'} }).inject(this.content);
        this.body = new Element('div', { 'id': 'ajaxLoading_body', 'styles': { 'background-color': '#fff'} }).inject(this.header, 'after');
        this.loadingimg = new Element('img', { 'src': '/files/images/matreshka.jpg' }).inject(this.body);
        this.overlay = new Element('div', { 'id': 'ajaxLoading_wrapper', 'styles': { 'position': 'absolute', 'left': '0', 'width': Window.getWidth() + 'px', 'height': Window.getHeight() + 'px', 'display': 'none', 'background-color': '#000', 'opacity': '0', 'z-index': '9999999999998'} }).wraps(this.panel);
        this.eventPosition = this.position.bind(this);
    },
    show: function(msg) {
        this.position();
        this.setup(true);
        this.overlay.setStyles({ 'display': 'block' });
        this.overlay.tween('opacity', [0, .8]);
        this.panel.setStyles({ 'display': '' });
        this.panel.tween('opacity', [0, 1]);
        this.header.set('text', msg);
    },
    position: function() {
        this.overlay.setStyles({ top: window.getScrollTop() + 'px' });
    },
    setup: function(open) {
        var toggleThese = $A($$('object'));
        toggleThese.extend($$(window.ActiveXObject ? 'select' : 'embed'));
        toggleThese.each(function(el) { el.style.visibility = open ? 'hidden' : ''; });
        var fn = open ? 'addEvent' : 'removeEvent';
        window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
    },
    hide: function() {
        this.setup(false);
        this.panel.tween('opacity', 0);
        this.panel.setStyles({ 'display': 'none' });
        this.header.set('text', '');
        this.body.set('html', '<img src="/files/images/matreshka.jpg">');
        this.overlay.tween('opacity', [0]);
        this.overlay.setStyles({ 'display': 'none' });
    }
};
window.addEvent('domready', ajaxLoader.init.bind(ajaxLoader));