var ver4 = (navigator.appVersion.charAt(0) == "4");
var NN4 = ver4 && (navigator.appName == "Netscape");
var IE4 = ver4 && (navigator.appName.charAt(0) == "M");
var NN3 = ((navigator.appVersion.charAt(0) == "3") && (navigator.appName == "Netscape"));
if(NN3 || NN4 || IE4){
var imgM = new Array();
imgM[10] = new Image(); imgM[10].src = "image/menu/btn01.jpg";
imgM[11] = new Image(); imgM[11].src = "image/menu/btn01r.jpg";
imgM[20] = new Image(); imgM[20].src = "image/menu/btn02.jpg";
imgM[21] = new Image(); imgM[21].src = "image/menu/btn02r.jpg";
imgM[30] = new Image(); imgM[30].src = "image/menu/btn03.jpg";
imgM[31] = new Image(); imgM[31].src = "image/menu/btn03r.jpg";
imgM[40] = new Image(); imgM[40].src = "image/menu/btn04.jpg";
imgM[41] = new Image(); imgM[41].src = "image/menu/btn04r.jpg";
imgM[50] = new Image(); imgM[50].src = "image/menu/btn05.jpg";
imgM[51] = new Image(); imgM[51].src = "image/menu/btn05r.jpg";
imgM[60] = new Image(); imgM[60].src = "image/menu/btn06.jpg";
imgM[61] = new Image(); imgM[61].src = "image/menu/btn06r.jpg";
imgM[70] = new Image(); imgM[70].src = "image/menu/btn07.jpg";
imgM[71] = new Image(); imgM[71].src = "image/menu/btn07r.jpg";
imgM[80] = new Image(); imgM[80].src = "image/menu/btn08.jpg";
imgM[81] = new Image(); imgM[81].src = "image/menu/btn08r.jpg";
imgM[100] = new Image(); imgM[100].src = "image/menu/mess01.jpg";
imgM[200] = new Image(); imgM[200].src = "image/menu/mess02.jpg";
imgM[300] = new Image(); imgM[300].src = "image/menu/mess03.jpg";
imgM[400] = new Image(); imgM[400].src = "image/menu/mess04.jpg";
imgM[500] = new Image(); imgM[500].src = "image/menu/mess05.jpg";
imgM[600] = new Image(); imgM[600].src = "image/menu/mess06.jpg";
imgM[700] = new Image(); imgM[700].src = "image/menu/mess07.jpg";
imgM[800] = new Image(); imgM[800].src = "image/menu/mess08.jpg";
}

function Mix(num,nam,mes) {
if(NN3 || NN4 || IE4) {
              box=num*10+nam;
              document.images["M"+num].src = imgM[box].src;
              document.images["mes"].src = imgM[mes].src;
              }
}