function emThis(){
    var emailSubject;
    var linkUrl;
    var topic;
    var abst;
    
    emailSubject = 'china.org.cn';
    linkUrl = window.location.href;
    topic = document.getElementById('topic').innerHTML.replace(/<.+?>/gim,'').replace(/"/g,'%22').replace(/&amp;/g,'%26').replace(/#/g,'%23');
    abst = document.getElementById('abst').innerHTML.replace(/<.+?>/gim,'').replace(/"/g,'%22').replace(/&amp;/g,'%26').replace(/#/g,'%23');
    
    var et = 'mailto:?subject=' + emailSubject + ':%20' + topic + '&body=' + topic + '%0D%0A' + abst + '%0D%0A%0D%0A' + linkUrl;
    location.href = et;
}