document.write("<table cellpadding='0' cellpace='0' border='0'>");
document.write("<tr><td height='18'>&middot;");
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document.write("PDA有哪些分类？");
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document.write("</td></tr>");
document.write("<tr><td height='18'>&middot;");
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document.write("请问PDA的WLAN无线上网如何设置？请问P");
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document.write("PDA方案有哪些？");
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document.write("关于PDA的问题!");
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