;var _C4imgOn='https://web.chat4support.com/weboperator/Uploadface/15_online.png';
  var _C4imgOff='https://web.chat4support.com/weboperator/Uploadface/15_offline.png';
  var _C4imgTop='';  
  var _C4imgMid='';
  var _C4imgBottom='';
  var _C4sid=15;
  var _C4sTag='CHAT4SUPPORT';
  var _C4style=0;
  var _C4online=1;
  var _C4nFloat=1;
  var _C4nInvite=0;
  var _C4nMode=0;
  var _C4nPos=1;
  var _C4nPosX=0;
  var _C4nPosY=250;
  var _C4HomePage='http://www.chat4support.com';
  var _C4srvURL='https://srv.chat4support.com/';
  var _C4webSrvUrl='https://web.chat4support.com/weboperator/';
  var _C4Custom='';
  var _C4SiteName=decodeURIComponent('Chat4Support');
  var _C4Language='en-us';
  var _C4ChatList=0;
  var _C4wid='';
  var _C4v2cname=decodeURIComponent('');
  var _C4vCallUrl='http://calling.vtoc.cn/VcallIndex/default.asp';
  document.write("<script src=\"https://web.chat4support.com/weboperator/operator/js/banner.js\"><" + "/script>");