thnx to all of u.. i tried to search for the users on members.msn.com and it showed that person in chat or not .. but u cannot know the real id by which they login into messenger.. so i think there is no way out..
any way thnx again..

THANKS A LOT.. I WUD TRY FOR IT AND KNOW U LATTER…
DO WE ANY WEB BASED MESSENGER FOR YAHOO..??