public Color setTopAlternativeColor(String userName, String entryName, String attrName){
    	Color aColor = Color.GRAY;
    	for(IndividualAttributeMaps a : chart.listOfAttributeMaps){
    		for(IndividualEntryMap e : chart.listOfEntryMaps.values()){
    			if(userName.equals(a.userName) && userName.equals(e.username) && entryName.equals(a.topAlternative)){
    			    ChartEntry entry = e.findEntry(entryName);
    				if(entry != null){
		            	aColor = a.userColor;
    		        }
    			}
    		}
		}
    	return aColor;
    }