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
while ( e.hasMoreElements( ) )
			{
				bl = (Block) e.nextElement( );
				if ( !bStarted && !bl.isPlot( ) )
				{
					continue; 
				}
				bStarted = true;
				bge.updateBlock( bl );
				if ( bl instanceof Plot )
				{
					ScriptHandler.callFunction( sh,
							ScriptHandler.BEFORE_DRAW_BLOCK,
							bl,
							getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
							bl );
					renderPlot( idr, (Plot) bl );
					ScriptHandler.callFunction( sh,
							ScriptHandler.AFTER_DRAW_BLOCK,
							bl,
							getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_BLOCK,
							bl );
				}
				else if ( bl instanceof TitleBlock )
				{
					ScriptHandler.callFunction( sh,
							ScriptHandler.BEFORE_DRAW_BLOCK,
							bl,