var spd = 50; // 変化させる間隔（ミリ秒単位）
var ntc = 2;  // 何%ずつ変化させるか
var cnt = 0;
var flag = 0;
var setSec = 5000;

var imgnum = new Array(
'/random-picture/pictures/1229062256_78752.jpg',
'/random-picture/pictures/1229062273_78775.jpg',
'/random-picture/pictures/1229062282_78783.jpg',
'/random-picture/pictures/1229062290_78790.jpg');

MM_preloadImages('/random-picture/pictures/1229062256_78752.jpg', '/random-picture/pictures/1229062273_78775.jpg', '/random-picture/pictures/1229062282_78783.jpg', '/random-picture/pictures/1229062290_78790.jpg');

var imgmax = imgnum.length;