pub180jc = new Array();
pub180jc[0] ='热门基础教程';
pub180jc[1] ='最新基础教程';
pub180jc[2] ='最新软件下载';
pub180jc[3] ='最新电子书籍';
rndpub= parseInt(Math.random() * 3 );
document.write(pub180jc[rndpub]);
num=6
pub180 = new Array();
pub180[0] ='';
pub180[2] ='';
pub180[3] ='';
pub180[4] ='';
pub180[5] ='';
pub180[1] ='';
pub180[6] ='';
pub180[10] ='热门基础教程';
pub180[8] ='';
pub180[9] ='最新基础教程';
rndpub= parseInt(Math.random() * num );
document.write(pub180[rndpub]);
document.write('')