how do i share a particular post with post description in java

<td style="padding:10px" class="facts"><%=factContent%> <%=factId%> </td>
factContent is description want to desplay when share.
factID - is fact id which I am going to share.

<script>
  function fbs_click()
  {
    u=location.href;
    t=document.title;
    window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer','toolbar=0,status=0,width=626,height=436');
    return false;
  }
 </script>
 <style>
  html .fb_share_link
  {
    padding:2px 0 0 20px;
    height:16px;
    background:url(http://static.ak.facebook.com/images/share/facebook_share_icon.gif?6:26981) no-repeat top left;
  }
 </style>
 <a rel="nofollow" href="http://www.facebook.com/share.php?u=http://www.rajinitruths.com/newFacts.do?iPageNo=<%=factId%>&<%=factContent%>>" title="<%=factContent%>" onclick="return fbs_click()" target="_blank">
   <img src="http://digitalshoebox.ca/wp-content/uploads/2013/01/Facebook-Share-Button.png" height="20" width="40"/>
 </a>