轮流显示广告的效果

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e_tplink[0]="http://www.pfsz.com";
e_tp[0]="http://images.enet.com.cn/eschool/gdtup/tu6/364561042.jpg";

e_tplink[1]="http://d90.cn";
e_tp[1]="http://images.enet.com.cn/eschool/gdtup/tu6/445289029.jpg";

e_tplink[2]="http://www.pfsz.com/bbs";
e_tp[2]="http://images.enet.com.cn/eschool/gdtup/tu6/748278155.jpg";

e_tplink[3]="http://www.pfsz.com/blog";
e_tp[3]="http://images.enet.com.cn/eschool/gdtup/tu6/847777225.jpg";

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