焦貓的貓抓板~

<p align=center>
<select name="select" onChange="selectchange(this.selectedIndex);" style="background:#3177BB; color:ffffff">
<option>文學網站
<option>文學資源
<option>Blog house
<option>Blog
<option>網路資源
<option>其他
</select><div id=link_tab align=center></div>
<div id=link_main align=center></div>
<script language="JavaScript">
function titilechange(change,i){
document.getElementById('link_tab').innerHTML = selecttab[change][i]
}
</script>
<script language="JavaScript" src="http://sweb.nuu.edu.tw/~u9333218/linkother/linklist.js"></script>
<script language="JavaScript">
function selectchange(change){
document.getElementById('link_main').innerHTML = ""
for(i = 0; i < selectout[change].length;i++){
document.getElementById('link_main').innerHTML += "<a target=_blank onmouseenter=titilechange(" + change + "," + i + ") href=" + selectad[change][i] + ">" + selectout[change][i]
document.getElementById('link_main').innerHTML += "</a><br>"
}
titilechange(change,'0')
}
selectchange('0');
</script>
</p>