diff --git a/.gitattributes b/.gitattributes
index 5029e53..83a4949 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -24,3 +24,4 @@ www/external/widget-pager.js -text
 www/impressum.inc.de -text
 www/info.inc.de -text
 www/logo_RUB_155x30.png -text
+www/spinner.gif -text
diff --git a/www/events.js b/www/events.js
index 0d4a738..55598cc 100644
--- a/www/events.js
+++ b/www/events.js
@@ -100,7 +100,6 @@ function ajaxLoadEvents(stime, etime, eventid, url, target) {
 			};
 		};
 	};
-	//console.log(ajax_url+'?'+$.param(request_data));
 	if ( etime == '' || !etime  ) { etime = new Date(); };
 	$.ajax({
 		type: "GET",
diff --git a/www/index.html.de b/www/index.html.de
index d371626..8cfde49 100755
--- a/www/index.html.de
+++ b/www/index.html.de
@@ -175,5 +175,6 @@
 	<div class="rublogo"><a href="http://www.gmg.ruhr-uni-bochum.de/geophysik/seisobs"><img class="rublogo" src="logo_RUB_155x30.png" alt="Ruhr-Universität Bochum" title="Ruhr-Universität Bochum" border="0"/></a></div>
 	<!-- Map --> 
 	<div id="map" class="map"></div>
+	<div id="spinner" class="spinner" style="display:none;"><img id="img-spinner" src="spinner.gif" alt="Loading"/></br>Loading ...</div>
 </body>
 </html>
diff --git a/www/main.css b/www/main.css
index fc8c168..333b86b 100644
--- a/www/main.css
+++ b/www/main.css
@@ -87,4 +87,16 @@
 	p.table-caption {
 		font-size: smaller;
 	}
+	div.spinner {
+	    position: fixed;
+	    top: 50%;
+	    left: 50%;
+	    margin-left: -64px; /* half width of the spinner gif */
+	    margin-top: -8px; /* half height of the spinner gif */
+	    text-align:center;
+	    z-index: 19000;
+	    overflow: auto;
+	    width: 128px; /* width of the spinner gif */
+	    height: 40px; /*hight of the spinner gif +2px to fix IE8 issue */
+	}	
 </style>
diff --git a/www/misc.js b/www/misc.js
index 7e07721..da87ab6 100644
--- a/www/misc.js
+++ b/www/misc.js
@@ -145,6 +145,9 @@ var networkText = {
 };
 var bochumStation = ['BUG', 'IBBN', 'KERA', 'KARP'];
 
+// FIX: firefox has no console
+if (typeof console == "undefined") var console = { log: function() {} };
+
 /**********************************************************************
  * document ready                                                     *
  **********************************************************************/
@@ -192,6 +195,12 @@ $(document).ready(function() {
 		heightStyle: 'content',
 		animate: 200,
 	});
-
-});
-
+        // spinner
+        $(document).bind("ajaxSend", function() {
+                $("#spinner").show();
+                console.log('Starting Spinner at '+Date());
+        }).bind("ajaxStop", function() {
+                $("#spinner").hide();
+                console.log('Stopping Spinner at '+Date());
+        });
+});
\ No newline at end of file
diff --git a/www/spinner.gif b/www/spinner.gif
new file mode 100644
index 0000000..95cb084
Binary files /dev/null and b/www/spinner.gif differ