xhr transport added

[brisk.git] / web / commons.js

diff --git a/web/commons.js b/web/commons.js
index f0ea078..75cabf4 100644 (file)
--- a/web/commons.js
+++ b/web/commons.js
@@ -1,7 +1,7 @@
 /*
  *  brisk - commons.js
  *
- *  Copyright (C) 2006-2011 Matteo Nastasi
+ *  Copyright (C) 2006-2012 Matteo Nastasi
  *                          mailto: nastasi@alternativeoutput.it 
  *                                  matteo.nastasi@milug.org
  *                          web: http://www.alternativeoutput.it
@@ -235,8 +235,10 @@ function safestatus(a)
 }
 
 function createXMLHttpRequest() {
-    try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}
-    try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}
+    if (typeof(ActiveXObject) != 'undefined') { // Konqueror complain as unknown object
+        try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}
+        try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}
+    }
     try { return new XMLHttpRequest();                   } catch(e) {}
     alert("XMLHttpRequest not supported");
     return null;
@@ -249,6 +251,7 @@ function send_mesg(mesg)
     
     // alert("xhr_wr: "+xhr_wr+"  is_conn: "+is_conn);
     xhr_wr.open('GET', 'index_wr.php?'+(is_conn ? 'sess='+sess+'&' : '')+'mesg='+mesg, (is_conn ? true : false));
+    xhr_wr.setRequestHeader("If-Modified-Since", new Date().toUTCString());
     xhr_wr.onreadystatechange = function() { return; };
     if (typeof(g_debug) == 'number' && g_debug > 0
         && typeof(console) == 'object' && typeof(console.log) == 'function') {