跳转菜单效果
[runcode]<head><script language="javascript">
function navigate(link)
{
var Objlink=document.getElementById(link)
var href=Objlink.options[Objlink.selectedIndex].value
if(href)
window.location=href
}
</script>
</head>
<select name="example" size="1" id=link onChange="navigate('link')">
<option value="">请选择</option>
<option value="http://www.baidu.com">百度</option>
<option value="http://www.google.cn">google</option>
<option value="http://www.yahoo.cn">雅虎</option>
</select>[/runcode]
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