Chart Sample; columnchart, vertical axis label function

gistfile1.xml

<fx:Script>
		<![CDATA[

	private function labelPhaseEffortVertical(labelValue:Object, previousLabelValue:Object, axis:AxisBase):String
	{
		return labelValue + "Hrs";
	}

]]>
	</fx:Script>
<fx:Style>
		@namespace s "library://ns.adobe.com/flex/spark";
		@namespace mx "library://ns.adobe.com/flex/mx";
		
		.pieLabel {	font-weight: bold	}
		.chartCoffee {
			fills:#A2825C,#8E5B3E,#B08D53,#BEA586,#674941,#FCFBE3;
		}
		
		.columnCoffee {
			chartSeriesStyles: coffee1,coffee2,coffee3,coffee4,cooffee5;
		}
		.coffee1{
			fill:#A2825c;
		}
		.coffee2{
			fill:#8E5B3E;
		}
		.coffee3{
			fill:#B08D53;
		}
		.coffee4{
			fill:#BEA586;
		}
		.coffee5{
			fill:#674941;
		}
	
		

		
	</fx:Style>

<mx:PieChart width="280" height="280" id="pieTeamEffortPersonDev" dataProvider="{subProject}" showDataTips="true" >
			<mx:series>
				<mx:PieSeries displayName="Effort" field="@data" nameField="@label"
							  
							  labelPosition="inside"  labelFunction="displayTeamEfforLabel" styleName="chartCoffee" >
					<mx:showDataEffect>
						<mx:SeriesInterpolate duration="1000"/>
					</mx:showDataEffect>
				</mx:PieSeries>
			</mx:series>
		</mx:PieChart>		

<mx:ColumnChart id="myChart" width="800" dataProvider="{phaseEffort}" showDataTips="true" styleName="columnCoffee">
					<mx:horizontalAxis>
						<mx:CategoryAxis categoryField="project"/>
					</mx:horizontalAxis>
					<mx:verticalAxis>
						<mx:LinearAxis labelFunction="labelPhaseEffortVertical"/>
						<!-- <mx:CategoryAxis labelFunction="labelPhaseEffortVertical"/> -->
					</mx:verticalAxis>
					<mx:series>
						
						<mx:ColumnSeries  
							xField="project" 
							yField="design" 
							displayName="Design"							
							>
							<mx:showDataEffect>
								<mx:SeriesInterpolate duration="1000"/>
							</mx:showDataEffect>
						</mx:ColumnSeries>
						<mx:ColumnSeries 
							xField="project" 
							yField="coding" 
							
							displayName="Coding" >
							<mx:showDataEffect>
								<mx:SeriesInterpolate duration="1000"/>
							</mx:showDataEffect>
						</mx:ColumnSeries>
						<mx:ColumnSeries 
							xField="project" 
							yField="test" 
							
							displayName="Test">
							<mx:showDataEffect>
								<mx:SeriesInterpolate duration="1000"/>
							</mx:showDataEffect>
						</mx:ColumnSeries>
						<mx:ColumnSeries 
							xField="project" 
							yField="review" 
							
							displayName="Review">
							<mx:showDataEffect>
								<mx:SeriesInterpolate duration="1000"/>
							</mx:showDataEffect>
						</mx:ColumnSeries>
					</mx:series>
				</mx:ColumnChart>