graph definition

<amcharts:AmGraph 
				id="icGraph" 
				fillAlphas="[1]" 
				fillColors="[mbtuUsageColor]"
				lineAlpha="0" 
				title="" 
				type="column"
				valueAxis="{contributionAxis}"
				valueField="percentOfInstallationMbtuUsage"
				/>
			<amcharts:AmGraph 
				id="benchmarkGraph" 
				fillAlphas="[1]" 
				fillColors="[benchmarkScoreColor]"
				lineAlpha="0" 
				title="" 
				type="column"
				valueAxis="{benchmarkScoreAxis}"
				valueField="benchmarkScore"
				/>

item assignment

for each (var buildingType:String in buildingTypeList)
			{	
				var item:Object = new Object();
				item.buildingType = buildingType;
				item.mbtuUsage = buildingTypeSums[buildingType];
				item.percentOfInstallationMbtuUsage = Math.round((item.mbtuUsage / totalMbtuUsage) * 100);
				item.benchmarkScore = buildingTypeBenchmarkScoreSums[buildingType]/buildingTypeList.length;
				
				//Visual Settings
				item.benchmarkScoreColor = item.benchmarkScore > 0 ? "#C80000" : "#00C5FF";  
				item.mbtuUsageColor = item.mbtuUsage > 0 ? "#000000" : "#FFFFFF";  
				
				
				
				_buildingTypeConsumption.addItem(item);
			}