if(navigator.appVersion.charAt(0) >= "3") {
var img = new Array();
img[1] = new Image();  img[1].src = "../images/menu1a.gif";
img[2] = new Image();  img[2].src = "../images/menu1b.gif";
img[3] = new Image();  img[3].src = "../images/menu2a.gif";
img[4] = new Image();  img[4].src = "../images/menu2b.gif";
img[5] = new Image();  img[5].src = "../images/menu3a.gif";
img[6] = new Image();  img[6].src = "../images/menu3b.gif";
img[7] = new Image();  img[7].src = "../images/menu4a.gif";
img[8] = new Image();  img[8].src = "../images/menu4b.gif";
img[9] = new Image();  img[9].src = "../images/menu5a.gif";
img[10] = new Image();  img[10].src = "../images/menu5b.gif";
img[11] = new Image();  img[11].src = "../images/menu6a.gif";
img[12] = new Image();  img[12].src = "../images/menu6b.gif";

img[21] = new Image();  img[21].src = "images/sub_menu1a.gif";
img[22] = new Image();  img[22].src = "images/sub_menu1b.gif";
img[23] = new Image();  img[23].src = "images/sub_menu2a.gif";
img[24] = new Image();  img[24].src = "images/sub_menu2b.gif";
img[25] = new Image();  img[25].src = "images/sub_menu3a.gif";
img[26] = new Image();  img[26].src = "images/sub_menu3b.gif";
img[27] = new Image();  img[27].src = "images/sub_menu4a.gif";
img[28] = new Image();  img[28].src = "images/sub_menu4b.gif";
img[29] = new Image();  img[29].src = "images/sub_menu5a.gif";
img[30] = new Image();  img[30].src = "images/sub_menu5b.gif";
img[31] = new Image();  img[31].src = "images/sub_menu6a.gif";
img[32] = new Image();  img[32].src = "images/sub_menu6b.gif";
img[33] = new Image();  img[33].src = "images/sub_menu7a.gif";
img[34] = new Image();  img[34].src = "images/sub_menu7b.gif";
img[35] = new Image();  img[35].src = "images/sub_menu8a.gif";
img[36] = new Image();  img[36].src = "images/sub_menu8b.gif";
img[37] = new Image();  img[37].src = "images/sub_menu9a.gif";
img[38] = new Image();  img[38].src = "images/sub_menu9b.gif";
img[39] = new Image();  img[39].src = "images/sub_menu10a.gif";
img[40] = new Image();  img[40].src = "images/sub_menu10b.gif";
img[41] = new Image();  img[41].src = "images/sub_menu11a.gif";
img[42] = new Image();  img[42].src = "images/sub_menu11b.gif";
img[43] = new Image();  img[43].src = "images/sub_menu12a.gif";
img[44] = new Image();  img[44].src = "images/sub_menu12b.gif";
img[45] = new Image();  img[45].src = "images/sub_menu13a.gif";
img[46] = new Image();  img[46].src = "images/sub_menu13b.gif";
img[47] = new Image();  img[47].src = "images/sub_menu14a.gif";
img[48] = new Image();  img[48].src = "images/sub_menu14b.gif";
img[49] = new Image();  img[49].src = "images/sub_menu15a.gif";
img[50] = new Image();  img[50].src = "images/sub_menu15b.gif";
img[51] = new Image();  img[51].src = "images/sub_menu16a.gif";
img[52] = new Image();  img[52].src = "images/sub_menu16b.gif";
img[53] = new Image();  img[53].src = "images/sub_menu17a.gif";
img[54] = new Image();  img[54].src = "images/sub_menu17b.gif";
img[55] = new Image();  img[55].src = "images/sub_menu18a.gif";
img[56] = new Image();  img[56].src = "images/sub_menu18b.gif";
img[57] = new Image();  img[57].src = "images/sub_menu19a.gif";
img[58] = new Image();  img[58].src = "images/sub_menu19b.gif";
img[59] = new Image();  img[59].src = "images/sub_menu20a.gif";
img[60] = new Image();  img[60].src = "images/sub_menu20b.gif";

}
function _in(nam1,nam2,num1,num2) {
if(navigator.appVersion.charAt(0) >= "3") {
document.images[nam1].src = img[num1].src;
document.images[nam2].src = img[num2].src;
} else { }
}
function _out(nam1,nam2,num1,num2) {
document.images[nam1].src = img[num1].src;
document.images[nam2].src = img[num2].src;
}