Index: /Users/mh/Documents/workspace/Boom/server/HTML/Default/html/Settings.js
===================================================================
--- /Users/mh/Documents/workspace/Boom/server/HTML/Default/html/Settings.js	(revision 22915)
+++ /Users/mh/Documents/workspace/Boom/server/HTML/Default/html/Settings.js	(working copy)
@@ -257,10 +257,15 @@
 			this.onResize(0, Ext.lib.Dom.getViewHeight());
 			Ext.EventManager.onWindowResize(this.onResize);
 
-			Ext.select('input, textarea, select').on('change', function(ev){
-				modified = true;
+			Ext.select('input, textarea, select').on({
+				change: {
+					fn: this._checkModified
+				},
+				blur: {
+					fn: this._checkModified
+				}
 			});
-			
+
 			this.initSliders();
 
 			this.showWarning();
@@ -510,6 +515,10 @@
 			return modified;
 		},
 
+		_checkModified : function(ev, input){
+			modified = modified || (input.value != input.defaultValue);
+		},
+		
 		setModified : function(){
 			modified = true;	
 		},
Index: /Users/mh/Documents/workspace/Boom/server/HTML/EN/html/SqueezeJS/UI.js
===================================================================
--- /Users/mh/Documents/workspace/Boom/server/HTML/EN/html/SqueezeJS/UI.js	(revision 22915)
+++ /Users/mh/Documents/workspace/Boom/server/HTML/EN/html/SqueezeJS/UI.js	(working copy)
@@ -1796,6 +1796,13 @@
 			},
 			change: {
 				fn: this.onSlide
+			},
+			dragend: {
+				fn: function(){
+					// trigger validation for some settings
+					this.input.focus();
+					this.input.blur();
+				}
 			}
 		});