下拉选择友情链接div
<select class="link" style=" width:80%;line-height:2;height:2rem; " onchange="window.open(this.options[this.selectedIndex].value)" name="select">
<option value="http://米谷.网络/" selected="selected">米谷网络</option>
<option selected="selected">友情链接</option>
</select>