program or script that will be always running on the website

dear ppl please help

i need know how to setup a sctipt or a program that will be always running in my website to do some periodical jobs. for example it has to query URLS and store the result obtained from the them in a database.

Thank a lot in advance

 

Windows or Linux ? On Linux, you can set up a Cronjob to run that script. On Windows, you can start up the Scheduler.

 

im using windows.
how to start a Scheduler. please help

 

Take a look at http://www.iopus.com/guides/winscheduler.htm

 

the link explains using the task scheduler which is in system but how to do this in my web site...
please help ...