Bug 169566 Chart Marker Line is above the Series Line
If I'm adding a marker line in a Chart this line is above the Series lines. The series line should above the marker line
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderer.java
getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_BLOCK,
							bl );
				}
				else if ( bl instanceof LabelBlock )
				{
					ScriptHandler.callFunction( sh,
							ScriptHandler.BEFORE_DRAW_BLOCK,
							bl,
							getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
							bl );
					renderLabel( idr, bl, StructureSource.createUnknown( bl ) );
					ScriptHandler.callFunction( sh,
							ScriptHandler.AFTER_DRAW_BLOCK,
							bl,
							getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_BLOCK,
							bl );
				}
				else if ( bl instanceof Legend )
				{
					ScriptHandler.callFunction( sh,
							ScriptHandler.BEFORE_DRAW_BLOCK,
							bl,
							getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
							bl );
					renderLegend( idr, (Legend) bl, htRenderers );
					ScriptHandler.callFunction( sh,