If your hosting account does not accept the command GET ... use curl instead of it and will work ...
0 0 1 * * /usr/bin/curl --silent
http://www.yoursite/cron3.php?pwd=yourpass 2 > /dev/null <-monthly
15 0 * * * /usr/bin/curl --silent
http://www.yoursite/cron.php?pwd=yourpass 2 > /dev/null <-daily
0 0 * * 6 /usr/bin/curl --silent
http://www.yoursite/cron2.php?pwd=yourpass 2 > /dev/null <--weekly
5 0 */2 * * /usr/bin/curl --silent
http://www.yoursite/pemailcron.php?pwd=yourpass 2 > /dev/null
*/10 * * * * /usr/bin/curl --silent
http://www.yoursite/pemailcron2.php?pwd=yourpass 2 > /dev/null
*/5 * * * * /usr/bin/curl --silent
http://www.yoursite/cron-ad-alert.php?pwd=yourpass 2 > /dev/null
there is another way to run the crons with Lynx command ... we can show it later