plupload_demo.js

var pluploadOptions = {
        runtimes : 'html5,flash,silverlight,html4',
        flash_swf_url : addBasePath('plugin/plupload/Moxie.swf'),
        silverlight_xap_url : addBasePath('plugin/plupload/Moxie.xap'),
        multi_selection: false,
        file_data_name: 'file',
        multipart_params : {
            _csrf: token
        },
        filters : {
            max_file_size : '20mb',
            mime_types: [
                {title : "Image files", extensions : "jpg,gif,png"}
            ]
        }
    };

var uploader = new plupload.Uploader($.extend(pluploadOptions, {
    container: pan.get(0),
    browse_button: pan.find('button[name="file"]').get(0),
    url: this.url,
    init: {
        PostInit: function () {

        },
        FilesAdded: function (up, files) {

        },

        BeforeUpload: function (up, files) {

        },
        UploadProgress: function (up, file) {

        },

        Error: function (up, err) {

        },

        FileUploaded: function (up, file, result) {

        }
    }
}));

uploader.init();