Ok, so another solution which I thought would be cool if I share with other new bees like me using AJAX. I have a new user registration form, I allow users to enter their email IDs, Name, Phone number etc. Now sometimes it is very irritating from the user perspective that they have filled all the lengthy form and then they got to know that their email ID already existed in the database. So, think smartly. Why not to notify the user as soon as he enters the email ID. hmmm !!! Looks cool but how to do it? first of all make a html form and within the email id field make use of the onblur function and call another javascript function like mentioned below. <input type="text" name="Email" onblur="email_chk(2);"/></td> Now the email_chk function in the javascript include this is Head element of your form <PLEASE ALSO DO NOT FORGOT TO INCLUDE THE AJAX.JS FILE WHICH IS REQUIRED TO CALL THE AJAX.CONNECT FUNCTION> <script langu...