<!--把下列代码放到head区域内-->
<SCRIPT LANGUAGE="JavaScript">
<!--
var a,b,go,word;
function greenlight(word){
a=" 网页教学网";
word.style.color="red";
linkSwitch();
}
//more javascript from http://www.knowsky.com
function linkSwitch(){
clearTimeout(go);
b=a;
a=a.substring(1,100)+a.charAt(0);
esh.innerText=a;
go=setTimeout("linkSwitch()",100);
}
function stp(word){
clearTimeout(go);
esh.innerText=" 网页教学网";
word.style.color="blue";
}
//-->
</SCRIPT>
<!--将下列代码插入html代码的<body>和</body>之间：-->
<A HREF="http://www.knowsky.com" onmouseover="greenlight(this)"; onmouseout="stp(this)"><span id="esh"> 网页教学网</span></A>