function pstCLog(link,title,thumbnail,summary,writer) {
    var href = "http://csp.cyworld.com/bi/bi_recommend_pop.php?url=" + encodeURIComponent(link) + "&thumbnail=" + encodeURIComponent(thumbnail) + "&summary=" + encodeURIComponent(summary) + "&writer=" + encodeURIComponent(writer);
    var a = window.open(href, 'clog', 'width=400, height=364, scrollbars=no, resizable=no');
    if ( a ) {
     a.focus();
    }
   }
   function pstTwitter(msg,url) {
    var href = "http://twitter.com/home?status=" + encodeURIComponent(msg) + " " + encodeURIComponent(url);
    var a = window.open(href, 'twitter', '');
    if ( a ) {
     a.focus();
    }
   }
   function pstMe2Day(msg,url,tag) {
    var href = "http://me2day.net/posts/new?new_post[body]=" + encodeURIComponent(msg) + " " + encodeURIComponent(url) + "&new_post[tags]=" + encodeURIComponent(tag);
    var a = window.open(href, 'me2Day', '');
    if ( a ) {
     a.focus();
    }
   }
   function pstFaceBook(msg,url) {
    var href = "http://www.facebook.com/sharer.php?u=" + url + "&t=" + encodeURIComponent(msg);
    var a = window.open(href, 'facebook', '');
    if ( a ) {
     a.focus();
    }
   }
   function pstYozmDaum(link,prefix,parameter) {
    var href = "http://yozm.daum.net/api/popup/prePost?link=" + encodeURIComponent(link) + "&prefix=" + encodeURIComponent(prefix);
    var a = window.open(href, 'yozm', 'width=466, height=356');
    if ( a ) {
     a.focus();
    }
   }