if(navigator.appVersion.charAt(0) >= 3){
 var img = new Array();
 img[0] = new Image();  img[0].src = "images/m1.gif";
 img[1] = new Image();  img[1].src = "images/m12.gif";
 img[2] = new Image();  img[2].src = "images/m2.gif";
 img[3] = new Image();  img[3].src = "images/m22.gif";
 img[4] = new Image();  img[4].src = "images/m3.gif";
 img[5] = new Image();  img[5].src = "images/m32.gif";
 img[6] = new Image();  img[6].src = "images/m4.gif";
 img[7] = new Image();  img[7].src = "images/m42.gif";
 img[8] = new Image();  img[8].src = "images/m5.gif";
 img[9] = new Image();  img[9].src = "images/m52.gif";

  	}

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


function WinOpen(name, width, height) {
   window.open("",name,'resizable=no,toolbar=no,scrollbars=yes,directories=no,menubar=no,status=no,width='+width+',height='+height);
}

isNN4 = document.layers;
isDOM = document.getElementById;
function printing() {
  if(isNN4 || isDOM) {
    window.print();
  }
}

function navi(obj) {
 url = obj.options[obj.selectedIndex].value;
 if(url != "") {
   location.href = url;
  }
}