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Disable two radio buttons with the same name

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Feb 06.2006

I have a set of radio buttons with the same name, so that the user can only select one at a time. However, when i try to use javascript to disable the buttons, the javascript only works if the radio buttons have separate names. Does anyone know a solution to this? Here is my code:

if(document.addtocart.zaicprice.options[id].value == “20”)
{
document.addtocart.laminated.disabled = true;
}

Yes<input type=’radio’ checked=’true’ value=’yes’ name=’laminated’>
No<input type=’radio’ value=’no’ name=’laminated’>

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JavaScript

3 Comments(s) ↴

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@nastyFeb 06.2006 — <form name="test">

<input type="radio" name="radio">

<input type="radio" name="radio">

<input type="submit" value="disable" onclick="disableit(this);return false">

<script language="javascript">

function disableit(which) {

for(var i=0;i<document.all.radio.length;i++) {

document.all.radio[i].disabled = (document.all.radio[i].disabled) ? false : true;

}

which.value = (which.value=="disable") ? "undisable" : "disable";

}

</script>
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@rbailerauthorFeb 06.2006 — Good stuff! thanks a lot.
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@felgallFeb 06.2006 — That code is written for Internet Explorer 4 (the only browser to use document.all exclusively). You should use document.getElementsByTagName to get it to work in all modern browsers.
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