Question

Enable/Disable checkboxes via radio selection

Asked by: TecServ

I'm trying to enable/disable a group of check boxes based on the radio button that is selected.

For instance in the code below..

If the radio button "marketing" is checked, I want the checkboxes tvCb, radioCb, and printCb to be enabled and onlineCb, outdoorCb, and otherCb disabled.

If the radion butto "onlineProposal" is checked, I want vice versa. I want the checkboxes onlineCb, outdoorCb, and otherCb to be enabled and tvCb, radioCb, and printCb disabled.

It would be a bonus if the disabled checkboxes would also "uncheck" themselves

<form>
<table width="100%" border="0" cellspacing="0" cellpadding="0" id="formRadios">
    <tr id="marketing" >
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="marketing" checked="checked"/><label for="marketing">Marketing/Advertising proposals</label></td>
      <td class="checkmarkTd"><div class="divider"></div><input name="tvCb" type="checkbox" value="TV" id="tvCb" /><label for="tvCb">TV</label> <input name="radioCb" type="checkbox" value="Radio" id="radioCb" /><label for="radioCb">Radio</label> <input name="printCb" type="checkbox" value="Print" id="printCb" /><label for="printCb">Print</label></td>
    </tr>
    <tr id="onlineProposal" class="disabled">
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="onlineProposal"  /><label for="onlineProposal">Online proposals</label></td>
      <td class="checkmarkTd"><div class="divider"></div><input name="onlineCb" type="checkbox" value="Online" id="onlineCb" /><label for="onlineCb">Online</label> <input name="outdoorCb" type="checkbox" value="Outdoor" id="outdoorCb" /><label for="outdoorCb">Outdoor</label> <input name="otherCb" type="checkbox" value="Other" id="otherCb" /><label for="otherCb">Other</label></td>
    </tr>
    <tr id="sponsorship" class="disabled">
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="sponsorship" /><label for="sponsorship">Sponsorship</label></td>
      <td class="checkmarkTd">&nbsp;</td>
    </tr>
  </table>
</form>

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Asked On: 2009-09-15 at 11:22:49ID24733907
Tags: radio checkbox form
,; javascript
,; jscript
,; disable
,; enable
,; radio
,; checkbox
,; form
Topics: Scripting Languages
,; JScript
,; JavaScript
Participating Experts: 3
Points: 500
Comments: 3

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Answers

by: Jonah11Posted on 2009-09-15 at 12:06:43ID: 25338134

Try this.

<script>
	function changeBoxes() {
		if (document.forms[0].marketing.checked) {
			checkAll(false);
			document.forms[0].tvCb.checked = true;
			document.forms[0].radioCb.checked = true;
			document.forms[0].printCb.checked = true;
		}
		if (document.forms[0].onlineProposal.checked) {
			checkAll(false);
			document.forms[0].onlineCb.checked = true;
			document.forms[0].outdoorCb.checked = true;
			document.forms[0].otherCb.checked = true;
		}
	}
 
	function checkAll(turnOn) {
		document.forms[0].tvCb.checked = turnOn;
		document.forms[0].radioCb.checked = turnOn;
		document.forms[0].printCb.checked = turnOn;
		document.forms[0].onlineCb.checked = turnOn;
		document.forms[0].outdoorCb.checked = turnOn;
		document.forms[0].otherCb.checked = turnOn;
	}
	changeBoxes();
</script>
 
<form>
<table width="100%" border="0" cellspacing="0" cellpadding="0" id="formRadios">
    <tr id="marketing" >
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="marketing" checked="checked" onChange="javascript:changeBoxes()"/><label for="marketing">Marketing/Advertising proposals</label></td>
      <td class="checkmarkTd"><div class="divider"></div><input name="tvCb" type="checkbox" value="TV" id="tvCb" /><label for="tvCb">TV</label> <input name="radioCb" type="checkbox" value="Radio" id="radioCb" /><label for="radioCb">Radio</label> <input name="printCb" type="checkbox" value="Print" id="printCb" /><label for="printCb">Print</label></td>
    </tr>
    <tr id="onlineProposal" class="disabled">
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="onlineProposal"  onChange="javascript:changeBoxes()" /><label for="onlineProposal">Online proposals</label></td>
      <td class="checkmarkTd"><div class="divider"></div><input name="onlineCb" type="checkbox" value="Online" id="onlineCb" /><label for="onlineCb">Online</label> <input name="outdoorCb" type="checkbox" value="Outdoor" id="outdoorCb" /><label for="outdoorCb">Outdoor</label> <input name="otherCb" type="checkbox" value="Other" id="otherCb" /><label for="otherCb">Other</label></td>
    </tr>
    <tr id="sponsorship" class="disabled">
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="sponsorship"  onChange="javascript:changeBoxes()"/><label for="sponsorship">Sponsorship</label></td>
      <td class="checkmarkTd"> </td>
    </tr>
  </table>
</form>

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by: kadabaPosted on 2009-09-15 at 13:43:56ID: 25339259

You can try this too.

<html>
	<head>
		<script type="text/javascript">
			// function to check the radio button checked
			function disableChkBxs(radObj)
			{
				var radId = radObj.id;
				
				var inputObjs = document.getElementsByTagName("input");
				var i=-1, limit= inputObjs.length;
				
				while(++i < limit)
				{
					if( String(inputObjs[i].type).toLowerCase() == "checkbox"  )
					{
						var n=inputObjs[i].name;
						if(radId == n)
						{
							inputObjs[i].disabled = false;
						}
						else
						{
							inputObjs[i].checked = false;
							inputObjs[i].disabled = true;
						}
					}
				}
			}
		</script>
	</head>
	<body>
		<form>
		<table width="100%" border="0" cellspacing="0" cellpadding="0" id="formRadios">
			<tr id="marketing" >
				<td class="radioTd">
					<input type="radio" name="radioGroup" value="radio" id="marketing" onclick="javascript:disableChkBxs(this);"/>
					<label for="marketing">Marketing/Advertising proposals</label>
				</td>
				<td class="checkmarkTd">
					<div class="divider">
					</div>
					<input name="marketing" id="tvCb" type="checkbox" value="TV"/>
						<label for="tvCb">TV</label> 
					<input name="marketing" id="radioCb" type="checkbox" value="Radio"/>
						<label for="radioCb">Radio</label> 
					<input name="marketing" id="printCb" type="checkbox" value="Print"/>
						<label for="printCb">Print</label>
				</td>
			</tr>
			<tr id="onlineProposal" class="disabled">
				<td class="radioTd">
					<input type="radio" name="radioGroup" value="radio" id="onlineProposal" onclick="javascript:disableChkBxs(this);"/>
						<label for="onlineProposal">Online proposals</label>
				</td>
				<td class="checkmarkTd">
					<div class="divider">
					</div>
					<input name="onlineProposal" type="checkbox" value="Online" id="onlineCb" />
						<label for="onlineCb">Online</label> 
					<input name="onlineProposal" type="checkbox" value="Outdoor" id="outdoorCb" />
						<label for="outdoorCb">Outdoor</label> 
					<input name="onlineProposal" type="checkbox" value="Other" id="otherCb" />
						<label for="otherCb">Other</label>
				</td>
			</tr>
			<tr id="sponsorship" class="disabled">
				<td class="radioTd">
					<input type="radio" name="radioGroup" value="radio" id="sponsorship" onclick="javascript:disableChkBxs(this);"/>
						<label for="sponsorship">Sponsorship</label>
				</td>
				<td class="checkmarkTd"> 
				</td>
			</tr>
		</table>
		</form>
	</body>	
</html>

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by: mplungjanPosted on 2009-09-16 at 02:13:20ID: 25343422

I suggest this one
Please note you MUST have unique IDs so I changed the radioIDs

<script type="text/javascript">
function toggle(rad) {
  var rads = document.getElementsByName(rad.name);
  for (var i=0,n=rads.length;i<n;i++) {
    var checked = rads[i].checked;
    var container = document.getElementById(rads[i].id+'Container');
    if (!container) continue; // some rads do not have associated containers
    var inputs = container.getElementsByTagName('input');
    for (var j=0,m=inputs.length;j<m;j++) {
      if (inputs[j].type=="checkbox" && !checked) inputs[j].checked=false; // uncheck when not selected
    }
    container.style.display=(checked)?"":"none";
  }
}
window.onload=function() {
  toggle(document.getElementById('marketingRad')); // call using any of the rads
}
</script>
<form>
<table width="100%" border="0" cellspacing="0" cellpadding="0" id="formRadios">
    <tr id="marketing" >
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="marketingRad" onClick="toggle(this)" checked="checked"/><label for="marketing">Marketing/Advertising proposals</label></td>
      <td class="checkmarkTd" id="marketingRadContainer"><div class="divider"></div><input name="tvCb" type="checkbox" value="TV" id="tvCb" /><label for="tvCb">TV</label> <input name="radioCb" type="checkbox" value="Radio" id="radioCb" /><label for="radioCb">Radio</label> <input name="printCb" type="checkbox" value="Print" id="printCb" /><label for="printCb">Print</label></td>
    </tr>
    <tr id="onlineProposal" class="disabled">
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="onlineProposalRad" onClick="toggle(this)" /><label for="onlineProposal">Online proposals</label></td>
      <td class="checkmarkTd" id="onlineProposalRadContainer" style="display:none"><div class="divider"></div><input name="onlineCb" type="checkbox" value="Online" id="onlineCb" /><label for="onlineCb">Online</label> <input name="outdoorCb" type="checkbox" value="Outdoor" id="outdoorCb" /><label for="outdoorCb">Outdoor</label> <input name="otherCb" type="checkbox" value="Other" id="otherCb" /><label for="otherCb">Other</label></td>
    </tr>
    <tr id="sponsorship" class="disabled">
      <td class="radioTd"><input type="radio" name="radioGroup" value="radio" id="sponsorship" onClick="toggle(this)" /><label for="sponsorship">Sponsorship</label></td>
      <td class="checkmarkTd" id="sponsorShipRadContainer"> </td>
    </tr>
  </table>
</form>

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Enable/Disable checkboxes via radio selection

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