I have Employee action, having methos validate(){//purpose is check the the dulicate or noe the enter id with db VALUES}, ON FORM I HAVE TESTBOX FOR THIS, RIGHT NOW W HAVE VALIDATE, and its working function, as per requirement i need to remove this validate button and move this functionality to on change event of textbox I need to call this action class methos thru java script, i need it very urgent, plz send me with sample program. ugent....................plz