Try this one:
<?
// seed with microseconds
function make_seed() {
list($usec,$sec) = explode(" ", microtime());
return ((float)$sec+(float)$usec) * 100000;
}
srand(make_seed());
$randval = rand();
$randomnumber = rand(1,5);
$banner1 = "banners/blbanner468x60.gif";
$banner2 = "banners/jobsonline_468x60_1b2.gif";
$banner3 = "banners/grabeh_468x60.gif";
$banner4 = "banners/reload_468x60.gif";
$banner5 = "banners/grabeh_468x60.gif";
// $banner6 = "banners/yugatech_468x60.gif";
if ($randomnumber == "1")
{
echo ("<a href='http://www.blueleafmedia.net' target='_blank'><img src='"); echo("$banner1"); echo ("' border='0'></a>");
}
else if ($randomnumber == "2")
{
echo ("<a href='http://www.jobsonline.com.ph' target='_blank'><img src='"); echo("$banner2"); echo ("' border='0'></a>");
}
else if ($randomnumber == "3")
{
echo ("<a href='http://www.grabeh.com/forum/' target='_blank'><img src='"); echo("$banner3"); echo ("' border='0'></a>");
}
else if ($randomnumber == "4")
{
echo ("<a href='http://www.gigil.com/forum/showthread.php?s=&threadid=383' target='_blank'><img src='"); echo("$banner4"); echo ("' border='0'></a>");
}
else if ($randomnumber == "5")
{
echo ("<a href='http://www.grabeh.com/forum/' target='_blank'><img src='"); echo("$banner5"); echo ("' border='0'></a>");
}
else
{
echo ("None!");
}
?>
