Validate a page item before go to next item without press save or submit

Hello,
I will be very greatful if someone help me. using apex 3.1.2
actaully, i have created a form and all work fine including validations and processess but i want to know how can i validate an item before submit the form?
for example: if i have two items on the page i.e :p1_item1 and :p2_item2 and save button so i like to validate both items before press the save button?
if item1 is date item then should check date is correct format before go to next item? at the moment i am validating when press save button and its work fine!
thanks for help.
kind regarrds,
RI
Edited by: Irha10 on 13-May-2011 15:40
Edited by: Irha10 on 13-May-2011 16:45

Hi,
If it is related to date.. why don't you use jQuery Date picker and disable manual entry into the field...
this will make sure that date is always in correct format...
Anyways... You have the options to use Javascript function to validate that the date is in correct format by calling the function onblur..
Regards,
Shijesh

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