function switchDiv(divID){
	// store starting state
	divstate = objStyle(divID).display;
	// Hide everything
	objStyle('D001').display = "none";
	objStyle('D002').display = "none";
	objStyle('D003').display = "none";	
	if (!divstate || divstate == "none") {
		objStyle(divID).display = "block";
	}
}
function showDiv(divID){
	// Hide everything
	objStyle('D001').display = "none";
	objStyle('D002').display = "none";
	objStyle('D003').display = "none";	
	// Show what we want
	objStyle(divID).display = "block";
}
function objStyle(objectId){
	if (document.getElementById && document.getElementById(objectId)) {
		return document.getElementById(objectId).style;
	} else if (document.all && document.all(objectId)) {
		return document.all(objectId).style;
	} else {
		return false;
	}
}