add button to clear bayes database

plugins/af_sort_bayes/init.js

@@ -15,3 +15,23 @@ function bayesTrain(id, train_up) {
 	}
 }
 
+function bayesClearDatabase() {
+	try {
+
+		if (confirm(__("Clear classifier database?"))) {
+
+			var query = "backend.php?op=pluginhandler&plugin=af_sort_bayes&method=clearDatabase";
+
+			new Ajax.Request("backend.php", {
+				parameters: query,
+				onComplete: function (transport) {
+					notify(transport.responseText);
+				}
+			});
+		}
+
+	} catch (e) {
+		exception_error("showTrgmRelated", e);
+	}
+}
+