move from DragContentLink to BeginDragContentArea for drag gesture

xpfe/browser/resources/content/navigator.xul

@@ -15,7 +15,7 @@ March 31, 1998.
 
 The Initial Developer of the Original Code is Netscape
 Communications Corporation. Portions created by Netscape are
-Copyright (C) 1998-1999 Netscape Communications Corporation. All
+Copyright (C) 1998-2000 Netscape Communications Corporation. All
 Rights Reserved.
 
 Contributor(s): ______________________________________. -->
@@ -355,7 +355,7 @@ Contributor(s): ______________________________________. -->
       onclick="if (event.button==2) browserHandleMiddleClick(event);"
       ondragover="return DragOverContentArea(event);"
       ondragdrop="return DropOnContentArea(event);"
-      ondraggesture="DragContentLink(event);">
+      ondraggesture="BeginDragContentArea(event);">
 
       <!-- type attribute is used by frame construction to locate iframes
            intended to hold (html) content -->