Index: umc/js/setup.js
===================================================================
--- umc/js/setup.js	(Revision 33668)
+++ umc/js/setup.js	(Arbeitskopie)
@@ -152,14 +152,7 @@
 							while ((nextpage < allPages.length) && (! this._pages[nextpage].visible)) {
 								nextpage += 1;
 							}
-							var current_page = this._pages[nextpage - 1];
-							dojo.when(current_page.validate === undefined || current_page.validate(),
-								dojo.hitch(this, function(value) {
-									if (value) {
-										this.selectChild(this._pages[nextpage]);
-									}
-								})
-							);
+							this.selectChildIfValid(nextpage);
 						})
 					});
 				}
@@ -203,7 +196,7 @@
 							while ((nextpage < allPages.length) && (! this._pages[nextpage].visible)) {
 								nextpage += 1;
 							}
-							this.selectChild(this._pages[nextpage]);
+							this.selectChildIfValid(nextpage);
 						}
 						else {
 							this.save();
@@ -724,6 +717,17 @@
 		}), dojo.hitch(this, function() {
 			this.standby(false);
 		}));
+	},
+
+	selectChildIfValid: function(nextpage) {
+		var current_page = this._pages[nextpage - 1];
+		dojo.when(current_page.validate === undefined || current_page.validate(),
+			dojo.hitch(this, function(value) {
+				if (value) {
+					this.selectChild(this._pages[nextpage]);
+				}
+			})
+		);
 	}
 
 });