导航条设计

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<script><br />function getObject(objectId) { <br /> if(document.getElementById && document.getElementById(objectId)) {return document.getElementById(objectId);} <br /> else if (document.all && document.all(objectId)) {return document.all(objectId); } <br /> else if (document.layers && document.layers[objectId]) {return document.layers[objectId]; } <br /> else {return false;} <br />} <p>//资讯<br />var dTag = document.getElementById("menu").getElementsByTagName("a");<br />for(var i=0;i<dTag.length;i++){<br /> dTag[i].onmouseover=function(){<br /> for(var ii=0;ii<dTag.length;ii++){<br /> dTag[ii].className="menupri";<br /> getObject("submenu"+ii).className="hidden";<br /> }<br /> <br /> this.className="menus"; <br /> var tagStr=this.id.substring(3);<br /> getObject("submenu"+tagStr).className="submenu";<br /> }<br />} <p></script>