<script language=JavaScript>
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function surfto(form) {
var myindex=document.myform.dest.selectedIndex
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</script>
<form name="myform">
<select name="dest" size=1>
<option selected>选项</option>
<option value="http://yuncode.net">云代码网站</option>
<option value="http://www.sohu.com">搜狐网站</option>
<option value="http://www.sina.com">新浪网站</option>
<option value="http://www.tom.com">TOM网站</option>
</select>
<a href="javascript: surfto()" onMouseOver="self.status='';return true" onMouseOut="self.status='';return true"><img src="ball1.gif" border=0 align=absmiddle></a>
</form>