line = 4;
pr = new Array(4);
pr[0] ='<a href="http://www.accesstrade.net/at/c.html?rk=0100448f002t76" target="_blank"><img src="http://www.accesstrade.net/at/r.html?rk=0100448f002t76" alt="" border="0" /></a>';
pr[1] ='<a href="http://www.accesstrade.net/at/c.html?rk=01002fuy002t76" target="_blank"><img src="http://www.accesstrade.net/at/r.html?rk=01002fuy002t76" alt="" border="0" /></a>';
pr[2] ='<a href="http://www.accesstrade.net/at/c.html?rk=01003p3a002t76" target="_blank"><img src="http://www.accesstrade.net/at/r.html?rk=01003p3a002t76" alt="" border="0" /></a>';
pr[3] ='<a href="http://www.accesstrade.net/at/c.html?rk=010037jh002t76" target="_blank"><img src="http://www.accesstrade.net/at/r.html?rk=010037jh002t76" alt="" border="0" /></a>';
Rnd = Math.floor(Math.random()*line);
document.write(pr[Rnd]);