-my $onclick = "overlib( OLiframeContent('$action', $width, $height, '$popup_name' ), CAPTION, '$actionlabel', STICKY, AUTOSTATUSCAP, MIDX, 0, MIDY, 0, DRAGGABLE, CLOSECLICK, BGCOLOR, '$color', CGCOLOR, '$color', CLOSETEXT, '$closetext' ); return false;";
+my $onclick =
+ "overlib( OLiframeContent('$action', $width, $height, '$popup_name', 0, '$scrolling' ), ".
+ "CAPTION, '$actionlabel', STICKY, AUTOSTATUSCAP, MIDX, 0, MIDY, 0, ".
+ "DRAGGABLE, CLOSECLICK, ".
+ "BGCOLOR, '$color', CGCOLOR, '$color', CLOSETEXT, '$closetext'".
+ ( $frame ? ", FRAME, $frame" : '' ).
+ ");";
+
+$onclick .= " return false;"
+ unless $params->{'nofalse'};