var swfu;
window.onload = function(){
    if (!$('uploadButton')) {
        return;
    }
    var settings = {
        custom_settings: {
            upload_target : 'fsUploadProgress'
        },
        file_types : '*.pdf',
        file_queue_error_handler : fileQueueError,
        file_dialog_complete_handler : fileDialogComplete,
        file_types_description : 'PDF Files',
        upload_progress_handler : uploadProgress,
        upload_error_handler : uploadError,
        upload_success_handler : uploadSuccess,
        upload_complete_handler : uploadComplete,
        button_cursor : SWFUpload.CURSOR.HAND,
        button_placeholder_id : 'uploadButton'
    };

    var config = {"upload_url":"\/estimate\/upload.php","flash_url":"\/estimate\/js\/swfupload.swf","debug":false,"button_image_url":"\/estimate\/images\/upload.gif","button_width":210,"button_height":30,"file_size_limit":"10 MB","file_upload_limit":1};
    for (var i in config) {
        settings[i] = config[i];
    }

    swfu = new SWFUpload(settings);
}