with original-length header for gzip response
diff --git a/public/js/all-web.js b/public/js/all-web.js
index cba60d9..d6836c5 100644
--- a/public/js/all-web.js
+++ b/public/js/all-web.js
@@ -280,8 +280,8 @@
 if(r.exc){r.exc=JSON.parse(r.exc);if(r.exc instanceof Array){$.each(r.exc,function(i,v){if(v)console.log(v);})}else{console.log(r.exc);}};if(r['403']){wn.container.change_to('403');}
 if(r.docs){LocalDB.sync(r.docs);}}
 wn.request.call=function(opts){wn.request.prepare(opts);var ajax_args={url:opts.url||wn.request.url,data:opts.args,type:opts.type||'POST',dataType:opts.dataType||'json',success:function(r,xhr){wn.request.cleanup(opts,r);opts.success&&opts.success(r,xhr.responseText);},error:function(xhr,textStatus){wn.request.cleanup(opts,{});show_alert('Unable to complete request: '+textStatus)
-opts.error&&opts.error(xhr)}};if(opts.progress_bar){var interval=null;$.extend(ajax_args,{xhr:function(){var xhr=jQuery.ajaxSettings.xhr();interval=setInterval(function(){if(xhr.readyState>2){var total=parseInt(xhr.getResponseHeader('Content-length'));var completed=parseInt(xhr.responseText.length);var percent=(100.0/total*completed).toFixed(2)
-opts.progress_bar.css('width',(percent<10?10:percent)+'%');}},50);return xhr;},complete:function(){clearInterval(interval);}})}
+opts.error&&opts.error(xhr)}};if(opts.progress_bar){var interval=null;$.extend(ajax_args,{xhr:function(){var xhr=jQuery.ajaxSettings.xhr();interval=setInterval(function(){if(xhr.readyState>2){var total=parseInt(xhr.getResponseHeader('Original-Length')||0)||parseInt(xhr.getResponseHeader('Content-Length'));var completed=parseInt(xhr.responseText.length);var percent=(100.0/total*completed).toFixed(2)
+opts.progress_bar.css('width',(percent<10?10:percent)+'%');}},50);wn.last_xhr=xhr;return xhr;},complete:function(){clearInterval(interval);}})}
 $.ajax(ajax_args);}
 wn.call=function(opts){var args=$.extend({},opts.args)
 if(opts.module&&opts.page){args.cmd=opts.module+'.page.'+opts.page+'.'+opts.page+'.'+opts.method}else if(opts.method){args.cmd=opts.method;}