$("#fileUpload").fileUpload({
'uploader': 'style/uploader.swf',
'cancelImg': 'style/img/cancel.png',

'folder': '/mbs/fileUpload',
'script': '/mbs/FileUpload',
'buttonText': 'Durchsuchen',
'fileDesc': '*.jpg;*.gif;*.png',
'fileExt': '*.jpg;*.gif;*.png',
'scriptData': {'uploadAction': 'upload'},
'multi': true

});