diff -uNr old/sc/source/ui/view/cellsh1.cxx new/sc/source/ui/view/cellsh1.cxx
--- old/sc/source/ui/view/cellsh1.cxx	2006-11-01 20:50:42.000000000 +0800
+++ new/sc/source/ui/view/cellsh1.cxx	2007-03-07 09:22:34.000000000 +0800
@@ -2066,7 +2066,10 @@
 					const String& rURL	  = pHyper->GetURL();
 					const String& rTarget = pHyper->GetTargetFrame();
 					USHORT nType = (USHORT) pHyper->GetInsertMode();
-
+					String aEmptyStr;													
+					if( rURL == aEmptyStr )												
+						pTabViewShell->DeleteContents( IDF_HARDATTR | IDF_EDITATTR );
+					else																
 					pTabViewShell->InsertURL( rName, rURL, rTarget, nType );
                     rReq.Done();
 				}
diff -uNr old/svx/source/dialog/cuihyperdlg.cxx new/svx/source/dialog/cuihyperdlg.cxx
--- old/svx/source/dialog/cuihyperdlg.cxx	2006-11-01 19:05:14.000000000 +0800
+++ new/svx/source/dialog/cuihyperdlg.cxx	2007-02-06 13:59:26.000000000 +0800
@@ -294,7 +294,6 @@
 			                      aItemSet.GetItem (SID_HYPERLINK_SETLINK);
 
 		String aStrEmpty;
-		if ( aItem->GetURL() != aStrEmpty )
 			GetDispatcher()->Execute( SID_HYPERLINK_SETLINK, SFX_CALLMODE_ASYNCHRON |
 									  SFX_CALLMODE_RECORD, aItem, 0L);