$D = YAHOO.util.Dom;
$E = YAHOO.util.Event;
var yuiLoadingPanel = function(conf) {
    conf = conf == undefined ? new Array() : conf;
    conf.id = conf.id == undefined ? 'yuiLoadingPanel' : confi.id;
    conf.header = conf.header == undefined ? 'Loading, please wait...' : conf.header;
    conf.width = conf.width == undefined ? '200px' : conf.width;
    this.conf = conf;
    this.cancelEvent = new YAHOO.util.CustomEvent("cancelEvent", this);
    this.init();

};

yuiLoadingPanel.prototype = {
    init: function() {
        var loadingPanel = new YAHOO.widget.Panel(this.conf.id, {
            width: this.conf.width,
            fixedcenter: true,
            close: false,
            draggable: false,
            modal: true,
            visible: false
        });

        loadingPanel.setBody('<div><b>' + this.conf.header + '</b></div><img src="../Content/images/ajax-loader.gif" />');
        loadingPanel.render(document.body);
        $D.addClass(loadingPanel.id, 'tcc_lightboxLoader');
        var cancelLink = document.createElement('a');
        $D.setStyle(cancelLink, 'cursor', 'pointer');
        cancelLink.appendChild(document.createTextNode('Cancel'));
        $E.on(cancelLink, 'click', function(e, o) {
            o.self.loadingPanel.hide();
            o.self.cancelEvent.fire();
        }, { self: this });
        loadingPanel.appendToBody(document.createElement('br'));
        loadingPanel.appendToBody(cancelLink);
        $D.setStyle(loadingPanel.body, 'text-align', 'center');
        $D.addClass(document.body, 'yui-skin-sam');
        this.loadingPanel = loadingPanel;
    },
    show: function(text) {
        if (text != undefined) {
            this.loadingPanel.setHeader(text);
        } else {
            this.loadingPanel.setHeader(this.conf.header);
        }
        this.loadingPanel.show();
    },
    hide: function() {
        this.loadingPanel.hide();
        $("#uiLoadingPanel_mask").attr("style", "height:inherit;");
        $("#yuiLoadingPanel_c").attr("style", "height:inherit;");
    }
};