[snip] I have a form and Im doing a check on submission to check whether there are any blank field and if there are I want to call function.. error_popup(); does this make anymore sense to you. Now I understand that you cant call javascript from within php. wot would you recommend as an alternative.
I dont have a button or anything that I want to press, just want to call the function so it can open a popup window. [/snip]
You would then be using pure JavaScript ... I think onBlur is what you are looking for IIRC. You might want to send this to a JavaScript list.
Nah. I was just using the button as an example to get you started. You'll probably want to call it from the onsubmit attribute of the form tag.
I didn't want to get into too much of an HTML/Javascript discussion, since that's off-topic for this list.
Google for form handling and javascript, etc. There're plenty of resources on it.
-- Regards, Ben Ramsey http://benramsey.com
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