if(navigator.appVersion.charAt(0) >=3) {
var img = new Array();
img[10] = new Image();  img[10].src = "../topimg/menut_1_off.gif";
img[20] = new Image();  img[20].src = "../topimg/menut_2_off.gif";
img[30] = new Image();  img[30].src = "../topimg/menut_3_off.gif";
img[40] = new Image();  img[40].src = "../topimg/menut_4_off.gif";
img[50] = new Image();  img[50].src = "../topimg/menut_5_off.gif";
img[60] = new Image();  img[60].src = "../topimg/menut_6_off.gif";
img[70] = new Image();  img[70].src = "../topimg/menut_7_off.gif";
img[80] = new Image();  img[80].src = "../topimg/english_off.gif";

img[11] = new Image();  img[11].src = "../topimg/menut_1_on.gif";
img[21] = new Image();  img[21].src = "../topimg/menut_2_on.gif";
img[31] = new Image();  img[31].src = "../topimg/menut_3_on.gif";
img[41] = new Image();  img[41].src = "../topimg/menut_4_on.gif";
img[51] = new Image();  img[51].src = "../topimg/menut_5_on.gif";
img[61] = new Image();  img[61].src = "../topimg/menut_6_on.gif";
img[71] = new Image();  img[71].src = "../topimg/menut_7_on.gif";
img[81] = new Image();  img[81].src = "../topimg/english_on.gif";



}

function _in(nam,num) {
if(navigator.appVersion.charAt(0) >=3) {
 document.images[nam].src = img[num].src;
 }
}

function _out(nam,num) {
 document.images[nam].src = img[num].src;
 }