var online=new Array();
document.write("<div id="left_layer" style="position:fixed; top:40px; left:0px;">
  <a href='skype:mg_pcb?chat'><img src='http://www.mgcircuit.com/tool/qq/images/skype_button.gif'></a><br>
  <a href="javascript:;" onclick="javascript:document.getElementById('left_layer').style.display='none';">¹Ø±Õ</a>
</div>");