no_cache management added

[brisk.git] / web / commons.js

diff --git a/web/commons.js b/web/commons.js
index 711b086..99a2983 100644 (file)
--- a/web/commons.js
+++ b/web/commons.js
@@ -249,12 +249,12 @@ 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(console) == 'object') {
-        if (typeof(console.log) == 'function') {
+    if (typeof(g_debug) == 'number' && g_debug > 0
+        && typeof(console) == 'object' && typeof(console.log) == 'function') {
             var ldate = new Date();
             console.log(ldate.getTime()+':MESG:'+mesg);
-        }
     }
     xhr_wr.send(null);
 
@@ -330,6 +330,11 @@ function act_chatt(value)
 }
 
 /* Stat: ROOM */
+function act_ping()
+{
+    send_mesg("ping");
+}
+
 function act_sitdown(table)
 {
     send_mesg("sitdown|"+table);