var ie4 = document.all;
var ns6 = document.getElementById && !document.all; 


// returns an object, retreived by its ID which shall be unique
function getObject(id) {
	if (ie4) {
		return document.all[id];
	} else if (ns6) {
		return document.getElementById(id);
	}
}


// shows the cursor as if the current zone is a Link
function showHandCursor(caller) {
	caller.style.cursor = "pointer";
}

// shows the default cursor
function showDefaultCursor(caller) {
	caller.style.cursor = "auto";
}