var data = new Array();
var Flg = new Array();

var BasePath = IMG_PATH+'common/';

//-----------------------------------------------------------------------
// ????
// ?
// nm		?[]
// sta		[]
// img		??
// )
// ImgInit('button', 'flash', '/img/flash.gif');
//-----------------------------------------------------------------------
function ImgInit(nm, sta, img){
    if(Flg[nm] != 1){
        data[nm] = new Array();
        Flg[nm] = 1;
    }
    data[nm][sta] = new Image();
    data[nm][sta].src = BasePath + img;
}

//-----------------------------------------------------------------------
// ????
// ?
// nm		img[imgJavaScript]
// sta		[]
// )
// ImageSwap('button', 'flash');
//-----------------------------------------------------------------------
function ImageSwap(nm, sta){
    document.images[nm].src = data[nm][sta].src;
}

//-----------------------------------------------------------------------
// ???????
// ?
// dst		img[]
// src		JavaScript?[]
// sta		[]
// )
// ImageSwap2('btn', 'button', 'flash');
//-----------------------------------------------------------------------
function ImageSwap2(dst, src, sta){
    document.images[dst].src = data[src][sta].src;
}