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POJavaScript ~ I need to disable 2 checkboxes when the 3rd checkbox is selected
 

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  1. POJavaScript ~ I need to disable 2 checkboxes when the 3rd checkbox is selected
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    <p>I need checkBox 3 to disable checkBox 1 &amp; 2 when it is selected. The code works when I have the <code>onClick</code> in the 3rd checkbox tag, but my lead programmer wants the <code>onClick</code> in the JavaScript code above. I'm not that good with JS so I don't know exactly why it's not working. This is what I have so far:</p> <pre><code>&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt; &lt;html lang="en"&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"&gt; &lt;meta name="Content-Script-Type" content="text/javascript"&gt; &lt;meta name="Content-Style-Type" content="text/css"&gt; &lt;title&gt;Example&lt;/title&gt; &lt;SCRIPT TYPE="text/javascript"&gt; &lt;!-- var field = document.getElementById("check_1157"); if (field) { function update1157Box(contactMethod) { var contactMethod = document.getElementById("check_1157"); if(contactMethod.check_1157.checked) { //enable the not to receive information contactMethod.check_1156.disabled =true; contactMethod.check_1156.checked = false; contactMethod.check_1158.disabled =true; contactMethod.check_1158.checked = false; return; } } field.onClick = update1157Box(this.form) //the not to receive information contactMethod.check_1156.checked = false; contactMethod.check_1156.disabled = false; contactMethod.check_1158.checked = false; contactMethod.check_1158.disabled = false; } //--&gt; &lt;/SCRIPT&gt; &lt;/head&gt; &lt;body&gt; &lt;form&gt; &lt;div class="many-from-many"&gt; &lt;label style="display: block;"&gt;&lt;input id="check_1156" name="answers[166][]" value="1156" type="checkbox"&gt;Check Box 1&lt;/label&gt; &lt;label style="display: block;"&gt;&lt;input id="check_1158" name="answers[166][]" value="1158" type="checkbox"&gt; Check Box 2&lt;/label&gt; &lt;label style="display: block;"&gt;&lt;input id="check_1157" name="answers[166][]" value="1157" type="checkbox"&gt;Check Box 3&lt;/label&gt; &lt;/div&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
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    1. COIf clicking checkbox 3 disables 1 and 2, how do you change your mind and select 1 or 2?
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      1. POJavaScript ~ I need to disable 2 checkboxes when the 3rd checkbox is selected
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