// turn on function
function turnOn(DivID) {
	if (document.getElementById) { //gecko(NN6) & IE 5+
		document.getElementById(DivID).style.visibility = "visible";
		document.getElementById(DivID).style.display = "block";
	} else if (document.all) { // IE 4+
		document.all[DivID].style.visibility = "visible";
		document.all[DivID].style.display = "block";
	} else if (document.layers) { // NS4+
		document.layers[DivID].visibility = "show";
		document.layers[DivID].display = "block";
	} else {
		// nothing
	}
}

// turn off function
function turnOff(DivID) {
	if (document.getElementById) { //gecko(NN6) & IE 5+
		document.getElementById(DivID).style.visibility = "hidden";
		document.getElementById(DivID).style.display = "none";
	} else if (document.all) { // IE 4+
		document.all[DivID].style.visibility = "hidden";
		document.all[DivID].style.display = "none";
	} else if (document.layers) { // NS4+
		document.layers[DivID].visibility = "hide";
		document.layers[DivID].display = "none";
	} else {
		// nothing
	}
}