if(typeof caseinc === "undefined") caseinc = {};
/**
 * Script: graphics.js
 * Class: caseinc.util.graphics
 * Copyright (c) 2011 [CASE Inc. (http://caseinc.jp/)]
*/
caseinc.graphics = function()
{
	this.random_rgb = function()
	{
	  return '#'+('00000'+(Math.random()*(1<<24)|0).toString(16)).slice(-6);
	};
};