Bug 134632 SVG chart visibility interaction does not work correctly.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGInteractiveRenderer.java
case ActionType.TOGGLE_DATA_POINT_VISIBILITY:
						case ActionType.HIGHLIGHT:
							addJSCodeOnElement( src, tg, elm, scriptEvent, tg.getAction( ).getType( ).getValue( ));
							break;
						
						case ActionType.INVOKE_SCRIPT :
							
							if ( tg.getCondition( )
									.equals( TriggerCondition.ACCESSIBILITY_LITERAL ) )
							{
								AccessibilityValue accessValue = ( (AccessibilityValue) tg.getAction( )
										.getValue( ) );
								if ( accessValue.getText( ) != null )
								{
									Element title = svg_g2d.createElement( "title" ); 
									title.appendChild( svg_g2d.dom.createTextNode( accessValue.getText( ) ) );
									elm.appendChild( title );
								}
								if ( accessValue.getAccessibility( ) != null )
								{
									Element description = svg_g2d.createElement( "desc" ); 
									description.appendChild( svg_g2d.dom.createTextNode( accessValue.getAccessibility( ) ) );
									elm.appendChild( description );
								}
							}
							else
							{
								
								String script = ( (ScriptValue) tg.getAction( )
										.getValue( ) ).getScript( );