function ClearUsers ()
{
	for (var i in ArrUsers) {
		document.getElementById("u" + ArrUsers[i]).style.fontWeight = "normal";
	};
}

function ClearTA ()
{
	for (var i in ArrActivities) {
		document.getElementById("a" + i).style.fontWeight = "normal";
	};

	for (var i in ArrTypes) {
		document.getElementById("t" + i).style.fontWeight = "normal";
	};
}

function ActivityShow(id)
{
	for (var i in ArrActivities) {
		if (i == id) {
			var tmp = ArrActivities[i];

			for (var j in tmp) {
				document.getElementById("u" + tmp[j]).style.fontWeight = "bold";
			};
		};
	};
}

function TypeShow(id)
{
	for (var i in ArrTypes) {
		if (i == id) {
			var tmp = ArrTypes[i];
	
			for (var j in tmp) {
				document.getElementById("u" + tmp[j]).style.fontWeight = "bold";
			};
		};
	};
}

function TAShow(id)
{
	for (var i in ArrTypes) {
		var tmp = ArrTypes[i];

		for (var j in tmp) {
			if (tmp[j] == id) {
				document.getElementById("t" + i).style.fontWeight = "bold";
			};
		};
	};

	for (var i in ArrActivities) {
		var tmp = ArrActivities[i];

		for (var j in tmp) {
			if (tmp[j] == id) {
				document.getElementById("a" + i).style.fontWeight = "bold";
			};
		};
	};
}