<br> <!--<br> //more javascript from <a href="http://www.smallrain.net">http://www.smallrain.net</a><br> function initEcAd() {<br> document.all.AdLayer1.style.posTop =30;<br> document.all.AdLayer1.style.visibility = 'visible'<br> document.all.AdLayer2.style.posTop =30;<br> document.all.AdLayer2.style.visibility = 'visible'<br> MoveLeftLayer('AdLayer1');<br> MoveRightLayer('AdLayer2');<br> }<br> function MoveLeftLayer(layerName) {<br> var x = 5;<br> var y = 130;<br> var diff = (document.body.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;<br> var y = document.body.scrollTop + y - diff;<br> eval("document.all." + layerName + ".style.posTop = parseInt(y)");<br> eval("document.all." + layerName + ".style.posLeft = x");<br> setTimeout("MoveLeftLayer('AdLayer1');", 20);<br> }<br> function MoveRightLayer(layerName) {<br> var x = 5;<br> var y = 130;<br> var diff = (document.body.scrollTop + y - document.all.AdLayer2.style.posTop)*.40;<br> var y = document.body.scrollTop + y - diff;<br> eval("document.all." + layerName + ".style.posTop = y");<br> eval("document.all." + layerName + ".style.posRight = x");<br> setTimeout("MoveRightLayer('AdLayer2');", 120);<br> }</p> <p>请问这段广告代码应该如何优化呢?<br> eval("document.all." + layerName + ".style.posTop = y");<br> eval("document.all." + layerName + ".style.posRight = x");<br> 尤其是这两句代码?非常感谢。</p>
如何优化这段广告代码?
function close_float_left(){
AdLayer1.style.visibility="hidden";
}
function close_float_right(){
AdLayer2.style.visibility="hidden";
}
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