if(WinIE || MacIE || WinNN4 || WinNN6 || MacNN4 || MacNN6){
var img = new Array();
	img[0] = new Image(); img[0].src = "../common/img/bt_global_01_off.gif";
	img[1] = new Image(); img[1].src = "../common/img/bt_global_01_on.gif";
	img[2] = new Image(); img[2].src = "../common/img/bt_global_02_off.gif";
	img[3] = new Image(); img[3].src = "../common/img/bt_global_02_on.gif";
	img[4] = new Image(); img[4].src = "../common/img/bt_global_03_off.gif";
	img[5] = new Image(); img[5].src = "../common/img/bt_global_03_on.gif";
	img[6] = new Image(); img[6].src = "../common/img/bt_global_04_off.gif";
	img[7] = new Image(); img[7].src = "../common/img/bt_global_04_on.gif";
	img[8] = new Image(); img[8].src = "../common/img/bt_global_05_off.gif";
	img[9] = new Image(); img[9].src = "../common/img/bt_global_05_on.gif";
	img[10] = new Image(); img[10].src = "../common/img/bt_global_06_off.gif";
	img[11] = new Image(); img[11].src = "../common/img/bt_global_06_on.gif";
	img[12] = new Image(); img[12].src = "../common/img/bt_global_07_off.gif";
	img[13] = new Image(); img[13].src = "../common/img/bt_global_07_on.gif";
	img[14] = new Image(); img[14].src = "../img/bt_navi_01_off.jpg";
	img[15] = new Image(); img[15].src = "../img/bt_navi_01_on.jpg";
	img[16] = new Image(); img[16].src = "../img/bt_navi_02_off.jpg";
	img[17] = new Image(); img[17].src = "../img/bt_navi_02_on.jpg";
	img[18] = new Image(); img[18].src = "../img/bt_navi_03_off.jpg";
	img[19] = new Image(); img[19].src = "../img/bt_navi_03_on.jpg";
	img[20] = new Image(); img[20].src = "../img/bt_navi_04_off.jpg";
	img[21] = new Image(); img[21].src = "../img/bt_navi_04_on.jpg";
	img[22] = new Image(); img[22].src = "../img/bt_navi_05_off.jpg";
	img[23] = new Image(); img[23].src = "../img/bt_navi_05_on.jpg";
	img[24] = new Image(); img[24].src = "../img/bt_navi_06_off.jpg";
	img[25] = new Image(); img[25].src = "../img/bt_navi_06_on.jpg";
	img[26] = new Image(); img[26].src = "../common/img/bt_pagetop_off.gif";
	img[27] = new Image(); img[27].src = "../common/img/bt_pagetop_on.gif";
	img[28] = new Image(); img[28].src = "../common/img/bt_accsesmap_off.gif";
	img[29] = new Image(); img[29].src = "../common/img/bt_accsesmap_on.gif";
}