var idx_loadFlag = 0;
var idx_imgList = new Array();
var idx_imgDir = "img/";

idx_imgList[0] = new Image();
idx_imgList[0].src = idx_imgDir + "idx_btn01n.gif";
idx_imgList[1] = new Image();
idx_imgList[1].src = idx_imgDir + "idx_btn01o.gif";
idx_imgList[2] = new Image();
idx_imgList[2].src = idx_imgDir + "idx_btn02n.gif";
idx_imgList[3] = new Image();
idx_imgList[3].src = idx_imgDir + "idx_btn02o.gif";
idx_imgList[4] = new Image();
idx_imgList[4].src = idx_imgDir + "idx_btn_n.gif";
idx_imgList[5] = new Image();
idx_imgList[5].src = idx_imgDir + "idx_btn_o.gif";
idx_imgList[6] = new Image();
idx_imgList[6].src = idx_imgDir + "tpg_btn_n.gif";
idx_imgList[7] = new Image();
idx_imgList[7].src = idx_imgDir + "tpg_btn_o.gif";
idx_imgList[8] = new Image();
idx_imgList[8].src = idx_imgDir + "idx_btn02_o.gif";
idx_imgList[9] = new Image();
idx_imgList[9].src = idx_imgDir + "idx_btn02_n.gif";
idx_imgList[10] = new Image();
idx_imgList[10].src = idx_imgDir + "banner_sleep.gif";
idx_imgList[11] = new Image();
idx_imgList[11].src = idx_imgDir + "banner_sleep_ov.gif";
idx_imgList[12] = new Image();
idx_imgList[12].src = idx_imgDir + "banner_lady.gif";
idx_imgList[13] = new Image();
idx_imgList[13].src = idx_imgDir + "banner_lady-ov.gif";
idx_imgList[14] = new Image();
idx_imgList[14].src = idx_imgDir + "kaimin_off.jpg";
idx_imgList[15] = new Image();
idx_imgList[15].src = idx_imgDir + "kaimin_on.jpg";
idx_imgList[16] = new Image();
idx_imgList[16].src = idx_imgDir + "bnr_shukuhaku_plan_off.jpg";
idx_imgList[17] = new Image();
idx_imgList[17].src = idx_imgDir + "bnr_shukuhaku_plan_on.jpg";


idx_loadFlag = 1;

function idxSwap(imgName, fnc){
	if(idx_loadFlag == 1){
		imgName.src = idx_imgList[fnc].src;
	}
}