document.writeln("<a href='http://' target='_blank'><img src='/ad/add.gif' width='180' height='60' border=0 alt='ad'></a>");
document.writeln("<a href='http://' target='_blank'><img src='/ad/add.gif' width='180' height='60' border=0 alt='ad'></a>");
document.writeln("<a href='http://' target='_blank'><img src='/ad/add.gif' width='220' height='60' border=0 alt='ad'></a>");
document.writeln("<a href='http://' target='_blank'><img src='/ad/add.gif' width='200' height='60' border=0 alt='ad'></a>");