function   initEcAd()   {   
  document.all.AdLayer1.style.posTop   =   -200;   
  document.all.AdLayer1.style.visibility   =   'visible'   
  document.all.AdLayer2.style.posTop   =   -200;   
  document.all.AdLayer2.style.visibility   =   'visible'   
  MoveLeftLayer('AdLayer1');   
  MoveRightLayer('AdLayer2');   
  }   
  function   MoveLeftLayer(layerName)   {   
  var   x   =   10;   
  var   y   =   165  ;   
  var   diff   =   (document.body.scrollTop   +   y   -   document.all.AdLayer1.style.posTop)*.40;   
  var   y   =   document.body.scrollTop   +   y   -   diff;   
  eval("document.all."   +   layerName   +   ".style.posTop   =   y");   
  eval("document.all."   +   layerName   +   ".style.posLeft   =   x");   
  setTimeout("MoveLeftLayer('AdLayer1');",   20);   
  }   
  function   MoveRightLayer(layerName)   {   
  var   x   =   10;   
  var   y   =   165;   
  var   diff   =   (document.body.scrollTop   +   y   -   document.all.AdLayer2.style.posTop)*.40;   
  var   y   =   document.body.scrollTop   +   y   -   diff;   
  eval("document.all."   +   layerName   +   ".style.posTop   =   y");   
  eval("document.all."   +   layerName   +   ".style.posRight   =   x");   
  setTimeout("MoveRightLayer('AdLayer2');",   20);   
  }   
  document.write("<div   id=AdLayer1   style='position:   absolute;visibility:hidden;z-index:1'><a   href=http://www.bestchina.com.cn/Chinese/NewsInfo.asp?Action=Pr&Id=239     target=_blank   ><img   src=http://www.bestchina.com.cn/Img/syfdgg1.gif     border=0></a></div>"   
    +"<div   id=AdLayer2   style='position:   absolute;visibility:hidden;z-index:1'><a   href=http://www.bestchina.com.cn/Chinese/NewsInfo.asp?Action=Pr&Id=239     target=_blank   ><img   src=http://www.bestchina.com.cn/Img/syfdgg2.gif     border=0></a></div>");   
  initEcAd()