// hideShowLayers //////////////////////////////////////////////////////////////
// (c) markus lerner
// 2006-06-22

function toggleDisplay(id1, id2) {
	if(getElem("id", id1, null).style.display == "none") {
		getElem("id", id1, null).style.display = "block";
		getElem("id", id2, null).style.display = "none";
	} else {
		getElem("id", id2, null).style.display = "block";
		getElem("id", id1, null).style.display = "none";
	}
}

function showLayer(id) {
	getElem("id", id, null).style.visibility = "visible";
	getElem("id", id, null).style.display = "block";
}

function hideLayer(id) {
	getElem("id", id, null).style.visibility = "hidden";
	getElem("id", id, null).style.display = "none";
}

function setActive(id) {
	getElem("id", id, null).style.backgroundColor = "#DD0000";
	getElem("id", id, null).style.color = "white";
}

function setInactive(id) {
	getElem("id", id, null).style.backgroundColor = "#DDDDDD";
	getElem("id", id, null).style.color = "#666666";
}

function setInactiveSelected(id) {
	getElem("id", id, null).style.backgroundColor = "#777777";
	getElem("id", id, null).style.color = "white";
}

function showBusyLayer() {
	var busyLayer = document.getElementById("busy_layer");
	if (busyLayer != null) {
		busyLayer.style.visibility = "visible";
		busyLayer.style.height = document.height + "px";
	}
}

function hideBusyLayer() {
	var busyLayer = document.getElementById("busy_layer");
	if (busyLayer != null) {
		busyLayer.style.visibility = "hidden";
		busyLayer.style.height = "0px";
	}
}