// use $ instead of getElementById
function $(obj)
{
	if (arguments.length > 1)
	{
		for (var i = 0, objects = []; i < arguments.length; i++)
		{
			if(document.getElementById(arguments[i]) !== null)
			{
				objects.push($(arguments[i]));
			}
		}
		return objects;
	}

	if (typeof obj == 'string')
	{
		newObj = document.getElementById(obj);
	}
	return newObj;
}