--- a/web/static/res/js/incmosaic.js	Tue Dec 11 17:39:04 2012 +0100
+++ b/web/static/res/js/incmosaic.js	Tue Dec 11 19:48:24 2012 +0100
@@ -215,6 +215,7 @@
 			} else if (this.endEffecFunc != undefined && this.endEffecFunc != null) {
 				// Call the end callback
 				this.endEffecFunc();
+				this.endEffecFunc = null;
 			}
 		}	
 	};