function switchMainTab(id){
	if(id == currentTabID)
		return;
	var current = null;
	if(currentTabID != null)
		current = document.getElementById(currentTabID);
	var newItem = document.getElementById(id);
	newItem.className = 'headerNavTabsel';
	if(current != null)
		current.className = 'headerNavTab';
	currentTabID = id;
	switchSubTab('daily', true);
}
function switchSubTab(id, refresh){
	if(id == currentSubTabID && refresh == false)
		return;
	var current = document.getElementById(currentSubTabID);
	var newItem = document.getElementById(id);
	current.className = 'subheaderNavTab';
	newItem.className = 'subheaderNavTabsel';
	currentSubTabID = id;
	$.ajax({
		type: "GET",
		url: ajaxGraphCallPath+currentTabID+"/"+currentSubTabID,
		success: function(msg){
			msg = $.trim(msg);
			if(msg == '') {
				document.getElementById('messageDiv').innerHTML = errorWhileProcessingMsg;
				document.getElementById('graph_image').style.display = 'none';
			}
			else if(msg == 'False') {
				document.getElementById('messageDiv').innerHTML = notYetGeneratedMsg;
				document.getElementById('graph_image').style.display = 'none';
			}
			else
				document.getElementById('graph_image').src = msg;
		}
	});
}
function dashboard_init(){
	switchMainTab(document.getElementById('acdashboard_header').getElementsByTagName('div')[0].id);
}