I was wondering if anybody here could tell me how to make a form where the submit button is inactive until the user selects a certain radio button. For example, a user agreement form that has yes and no radio buttons and a submit button that is inactive until the user selects yes. All help is appreciated. Thanks...
How to: Form functions
- Thread starter ynned
- Start date
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Can easily be done in javascript.
Place the following code between your <head> and </head> tags:
Example form:
Place the following code between your <head> and </head> tags:
HTML:
<script language="javascript">
function enableField()
{
document.nameofyourform.submit.disabled=false;
}
</script>Example form:
HTML:
<form name="nameofyourform" method="POST" action="">
Yes: <input name="yes" type="radio" onClick=enableField();>
<br>
No: <input name="no" type="radio">
<br>
<input type="submit" value="Submit" name="submit" disabled="true">
</form>
Last edited:
SWEET!!! Thanks a lot, man.
EDIT: Crap. I did something wrong, I think. It's not working. I pasted both codes into the page where you said, and it's still allowing them to continue on if they choose No. I should probably mention that I'm something of a newb when it comes to this stuff.
EDIT: Crap. I did something wrong, I think. It's not working. I pasted both codes into the page where you said, and it's still allowing them to continue on if they choose No. I should probably mention that I'm something of a newb when it comes to this stuff.
Last edited:
Are you using the example form I gave you or your own?
If it's your own, check where it says:
In your form, whatever the name is you need to update the javascript code with that name where it says .nameofyourform.
If your form has no name.. give it a name by adding name="form1" to the <form> tag.
So then, if you name the form "form1"
The Javascript would need to be...
Understand?
If it's your own, check where it says:
HTML:
document.nameofyourform.submit.disabled=false;In your form, whatever the name is you need to update the javascript code with that name where it says .nameofyourform.
If your form has no name.. give it a name by adding name="form1" to the <form> tag.
So then, if you name the form "form1"
The Javascript would need to be...
HTML:
<script language="javascript">
function enableField()
{
document.form1.submit.disabled=false;
}
</script>Understand?
Yeah, I had that part entered correctly. I copy/pasted the form name into your code where it said "nameofyourform" but it still gave me the error. I'm still not sure why it didn't work. I ended up Googling it and found the answer on a German forum. Here is what I did to fix it:
Code:
<script language="javascript">
function enableField(submit)
{
document.getElementById('submit').disabled=false;
}
</script>
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