/*
 * util.js
 *
 * Author: Kenji Morisaki
 * Url: http://decremented.net
 *
 */
var Util = {
	//--------------------------------------------------
	//
	// Method
	//
	//--------------------------------------------------
	shuffle: function( array )
	{
		var _index;
		var _obj;
		
		var i = array.length;
		while ( --i >= 0 )
		{
			_index = ( Math.random() * ( array.length - 1 ) ) | 0;
			_obj = array[ i ];
			array[ i ] = array[ _index ];
			array[ _index ] = _obj;
		}
		
		return array;
	}
}