gistfile1.txt

var Point = function(x, y) {
	if (arguments.length == 1)
	{
		this.x = (x >> 12) & 0xFFF;
		this.y = (x) & 0xFFF;
	}
	else
	{
		this.x = x;
		this.y = y;
	}
};

Point.prototype.valueOf = function() {
	return ((this.x & 0xFFF) << 12) + ((this.y & 0xFFF));
};

Point.prototype.toString = function() { 
	return '{' + this.x + ',' + this.y + '}';
};