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   | function clip() {
  // width of the banner container
  var contWidth = 134;
  // height of the banner container
  var contHeight = 227;
 
  var id1 = document.getElementById('slideA');
  var id2 = document.getElementById('slideB');
  var height = id1.offsetHeight;
  var width = id1.offsetWidth;
 
  id1.style.top = parseInt(id1.offsetTop)-1 + 'px';
  id1.style.left = parseInt(id1.offsetLeft)-1 + 'px';
 
  document.getElementById('slideCont').style.height = contHeight + "px";
  document.getElementById('slideCont').style.clip = 'rect(auto,'+ contWidth +'px,' + contHeight +'px,auto)';
  id2.style.display = '';
  if(parseFloat(id1.style.top) == -(height/2)) {
    id1.style.top = '0px';
  }
  setTimeout(clip,50)
}
 
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}
 
addLoadEvent(function() {
  clip();
}); | 
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