diff --git a/mozilla/layout/html/forms/src/nsNativeFormControlFrame.cpp b/mozilla/layout/html/forms/src/nsNativeFormControlFrame.cpp
index 0596dfb5039..3937c92d593 100644
--- a/mozilla/layout/html/forms/src/nsNativeFormControlFrame.cpp
+++ b/mozilla/layout/html/forms/src/nsNativeFormControlFrame.cpp
@@ -298,11 +298,7 @@ NS_METHOD nsNativeFormControlFrame::HandleEvent(nsIPresContext& aPresContext,
 	    break;
 
 	  case NS_MOUSE_LEFT_BUTTON_DOWN:
-	    if (NS_FORM_INPUT_IMAGE == type) {
-	      mLastMouseState = eMouseDown;
-	    } else {
-	      mLastMouseState = (eMouseEnter == mLastMouseState) ? eMouseDown : eMouseNone;
-	    }
+            mLastMouseState = eMouseDown;
 	    break;
 
 	  case NS_MOUSE_LEFT_BUTTON_UP: