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  function pageScroll() {
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			  if (document.getElementById('divleft')!=null){
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        document.getElementById('divright').style.top = (document.documentElement.scrollTop - 170) + "px";
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			else{
			  var scroll = document.body.scrollTop
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			  if (document.getElementById('divleft')!=null){
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  			document.getElementById('divright').style.posTop = (scroll - 170)
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  //-->