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  1. #1
    New to the CF scene
    Join Date
    Dec 2007
    Thanked 0 Times in 0 Posts

    Enabling a text input field ONLY when a checkbox is ticked

    Hey everyone, as you can see I'm new here.

    I'm working on a new section for a site.

    Basically it's a layout creator, mostly, with a few customization options. Basically as you can see from the HTML below, there is a checkbox with the id "network" and a text input field with the id "username".

    <div style="text-align: left;">
    <b>2. Creation</b>
    Here you can customize
    <table align="center" cellpadding="5" width="95%" style="margin: 3px; padding: 5px; border: 2px solid black;">
    <td align="center">
    <table align="center" width="98%" cellspacing="1" cellpadding="3">
    <td width="50%" style="text-align: center;">Replace the Extended Network Logo with your Dynamic Signature (?)<br><input type="checkbox" id="network" name="network" style="border:none;" value="_s" /></td>
    <td width="50%" style="text-align: center;">Hide the Comments section (?)<br><input type="checkbox" id="comments" name="comments" style="border:none;" value="_p" /></td>
    <input type="text" id="username" size="20" maxlength="12">
    <font size="1">If you checked &quot;Replace Extended Network Logo&quot; you MUST enter your name here so the Signature can be created. Otherwise your signature WILL NOT DISPLAY.<br><br>If you'd like to keep the Extended Network Logo LEAVE THE ABOVE FIELD BLANK!</font>
    <input type="button" value="Generate my Layout!" style="text-align: center;" onClick="make_sig()" onSubmit="make_sig()">
    <div id="urlbox"></div>
    Basically, I need to know how I can have the username field disabled by default, and then enabled only WHILE the network checkbox is checked.

    I'm not too sure how to do this. But I have some sort of idea. Perhaps something like this (excuse the sloppy and incorrect structure, this is just to demonstrate)

    if (document.getElementById("network").checked==true THEN document.getElementById("username").disabled==false)
    You know, basically something stating WHILE the network checkbox is checked the username field will be enabled and if network is unchecked, username becomes disabled.


  • #2
    JUD is offline
    New Coder
    Join Date
    Jul 2005
    I'm right here
    Thanked 2 Times in 2 Posts
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Untitled Document</title>
    <script type="text/javascript">
    	// <![CDATA[
    		function ifChecked(frm){
    			frm.username.disabled = !frm.network.checked
    	// ]]>
        	Username:<br />
    		<input type="text" name="username" disabled="disabled" /><br />
    		<input type="checkbox" name="network" id="network" onclick="ifChecked(this.form)" /><label for="network">Check here to enable textbox.</label>

  • Users who have thanked JUD for this post:

    Dale_G (12-24-2007)


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