That is a for next loop. For i = 0 to number of characters in bt_preimages -1 The three bits are i=0 - Starting point of i i<bt_preimages.length - End point of i i++ - increment i by 1 each time I should hope that newbie posts are accepted, I have made one or two myself. Welcome to the group Rod. -----Original Message----- From: javascript-bounces at LaTech.edu [mailto:javascript-bounces at LaTech.edu]On Behalf Of Guillaume Sent: 06 July 2005 16:00 To: [JavaScript List] Subject: [Javascript] I Hi there, could someone translate this to me as i see it very often used i = 0; i < bt_preimages.length; i++ Thanks ! Guillaume. Ps: By the way does this list accept and tolere newbies posts... ? _______________________________________________ Javascript mailing list Javascript at LaTech.edu https://lists.LaTech.edu/mailman/listinfo/javascript