document.write("<div id=\"centerlefta1\">");
document.write("  <h2>服务热线</h2>");
document.write("<ul>");
document.write("<li id=\"lan\">产品咨询热线 </li>");
document.write("<li>010-51287550 </li>");
document.write("<li id=\"lan\">24小时专线 </li>");
document.write("<li>010-51287560 </li>");
document.write("<li id=\"lan\">技术支持 </li>");
document.write("<li>010-51287550-8012 </li>");
document.write("<li id=\"lan\">E-mail: </li>");
document.write("<li>sales@witbank.com.cn </li>");
document.write("</ul>");
document.write("<p><img src=\"/images/er_15.jpg\"height=\"5\" width=\"210\"></p>");
document.write("</div>");