window.onerror = null;

var ver4 = (navigator.appVersion.charAt(0) >= "4");
var NN4  = ver4 && (navigator.appName.charAt(0) == "N");
var IE4  = ver4 && (navigator.appName.charAt(0) == "M");
var NN3  = ((navigator.appVersion.charAt(0) == "3") &&
            (navigator.appName.charAt(0) == "N"));

//MENU1
if(NN3 || NN4 || IE4){
var img_a = new Array();
img_a[11] = new Image(); img_a[11].src = "img/menu1a.gif"
img_a[12] = new Image(); img_a[12].src = "img/menu2a.gif"
img_a[13] = new Image(); img_a[13].src = "img/menu3a.gif"
img_a[14] = new Image(); img_a[14].src = "img/menu4a.gif"
img_a[15] = new Image(); img_a[15].src = "img/menu5a.gif"

img_a[21] = new Image(); img_a[21].src = "img/menu1b.gif"
img_a[22] = new Image(); img_a[22].src = "img/menu2b.gif"
img_a[23] = new Image(); img_a[23].src = "img/menu3b.gif"
img_a[24] = new Image(); img_a[24].src = "img/menu4b.gif"
img_a[25] = new Image(); img_a[25].src = "img/menu5b.gif"
}

function A_in(nam,num){
if(NN3 || NN4 || IE4) document.images[nam].src = img_a[num].src;
}

function A_out(nam,num){
if(NN3 || NN4 || IE4) document.images[nam].src = img_a[num].src;
return false;
}