web monitoring

[pravar]

hi buddies i am stuck in a problem of writing a web monitoring tool
where from clent side. for eg., it should be able to check whether all
the images which are suppose to come are there or not if not then some
error message should be displayed .... my first question whther this
thing is possible to monitor from the cleint side or not if its
possible then how can ne body can guide regarding this

regards
pravar