分享设置

<script>//分享设置var shareUrl="http://www.demo.cn";var shareDesc="内容";var shareImg="http://images......";var sinaAppkey="";shareDesc=encodeURI(shareDesc);function shareLink(type){    var urlstr="";    switch (type){        case "sina":            urlstr="http://v.t.sina.com.cn/share/share.php?=site="+shareUrl+"&url="+shareUrl+"&title="+shareDesc+"&appkey="+sinaAppkey+"&pic="+shareImg;            window.open(urlstr);        break;        case "qq":            urlstr="http://v.t.qq.com/share/share.php?title="+shareDesc+"&url="+shareUrl+"&appkey=&pic="+shareImg;window.open(urlstr);        break;        case "kaixin":            urlstr="http://www.kaixin001.com/rest/records.php?content="+shareDesc+"&url="+shareUrl+"&starid=&aid=0&style=11&pic="+shareImg+"&site="+shareUrl;window.open(urlstr);        break;        case "renren":            urlstr="http://widget.renren.com/dialog/share?resourceUrl="+shareUrl+"&pic="+shareImg+"&title="+shareDesc;window.open(urlstr);        break;        default:            return false;        break;            }}</script>