declare
webhandle ole2.obj_type;
args ole2.list_type;
begin
synchronize;
webhandle := forms_ole.get_interface_pointer('block.web');
args:=OLE2.CREATE_ARGLIST;
OLE2.ADD_ARG(args,'localhost/project/index.php');
OR
OLE2.ADD_ARG(args,'www.oracle.com');
*/
OLE2.ADD_ARG(args,'www.oracle.com');
OLE2.INVOKE(webhandle,'Navigate',args);
OLE2.DESTROY_ARGLIST(args);
ole2.release_obj(webhandle);
end;