/*
	Convenience alias/wrapper functions for alert() and Firebug's console.log():
		alert([parameter]);			->	a([parameter]);
		console.log([parameter]);	->	l([parameter]);
*/
if (typeof(window.alert) == 'function') {
	window.a = window.alert;
}
if (typeof(window.console) != 'undefined') {
	if (typeof(window.console.log) == 'function') {
		window.l = window.console.log;
	}
}

window._empty = function(parameter) {
	var	toReturn = false;
	
	toReturn = (	(typeof(parameter) == 'undefined')
				||	(parameter == null)
				||	(parameter == false)
				//||	(parameter == 0)
				||	((typeof(parameter) == 'string') && (parameter.length < 1))
				//||	((typeof(parameter) == 'string') && (parameter == '0'))
				||	((parameter instanceof Array) && (parameter.length < 1))
	);
	
	return toReturn;
}