if(screen.width >= 840){
document.write(''+
'<td bgcolor="#e9e0db" width="200">'+
  '<div class="side">'+
    '<table class="sidebar" width="162" border="0" cellspacing="0" cellpadding="0">'+
      '<tr><td height="165"><img name="randimg" class="sidebarimage" src="/random/image0.jpg" alt="" height="160" width="160" border="0">'+
        '</td></tr>'+
      '<tr><td valign="top" height="400"><div class="sidebarcontent"><img src="_.gif" height="100%" width="100%" alt=""></div></td></tr>'+
    '</table>'+
  '</div>'+
'</td>')}