function bodyResize() {
  if (parseInt(navigator.appVersion)>3) {
   if (navigator.appName=="Netscape") {
    winW = window.innerWidth;
    winH = window.innerHeight;
   }
   if (navigator.appName.indexOf("Microsoft")!=-1) {
    winW = document.body.offsetWidth;
    winH = document.body.offsetHeight;
   }
  }
  mainobject = new getObj('holder');
  if(winH<470) {
    mainobject.obj.className = 'holder2';
  } else {
    mainobject.obj.className = 'holder1';
  }
}