var selectedYear = "2009";

function showMenu(submenu) {
	if (document.getElementById) {
			if (submenu!="") {
				document.getElementById(submenu).style.display = 'block';
			}
		}
} 

function hideMenu(submenu) {
	if (document.getElementById) {
			if (document.getElementById(submenu).className != "active") {
				document.getElementById(submenu).style.display = 'none';
			}
		}
} 



function chartTab(idGroup) {
		var numberOfDivCharts = document.getElementById('chart').getElementsByTagName('div').length;
		
		for (var i=1; i <= numberOfDivCharts; i++) {
			if (idGroup=='chart_'+i) {
			document.getElementById(idGroup).style.display = 'block';	
			document.getElementById(idGroup).style.background = '#ffffff';	
			} else {
			document.getElementById('chart_'+i).style.display = 'none';
			document.getElementById('chart_'+i).style.background = '#fbfafa';	
			}
		}
	}
		
function chartTabActive(idTab) {
		var numberOfDivChartTabs = document.getElementById('chartTab').getElementsByTagName('li').length;
		for (var i=1; i <= numberOfDivChartTabs; i++) {
			if (idTab=='chartTab_'+i) {
			document.getElementById(idTab).style.background = '#ffffff';	
			} else {
			document.getElementById('chartTab_'+i).style.background = '#fad9d9';	
			}
		}
	}