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Radio Question Validator script

Validates that every Radio Button question on the form has been answered. No modifications needed!... detail

[IMG]hxxp ://w w w.javascriptbank. com/javascript.images/form/radio-question-validator-script.jpg[/IMG]
Demo: Radio Question Validator script

How to setup

Step 1: Place JavaScript below in your HEAD section
JavaScript

<SCRIPT LANGUAGE="JavaScript">
// David Blackledge | hxxp ://david.blackledge. com/

<!-- Begin
function checkRadios() {
 var el = document.forms[0].elements;
 for(var i = 0 ; i < el.length ; ++i) {
  if(el[i].type == "radio") {
   var radiogroup = el[el[i].name]; // get the whole set of radio buttons.
   var itemchecked = false;
   for(var j = 0 ; j < radiogroup.length ; ++j) {
    if(radiogroup[j].checked) {
	 itemchecked = true;
	 break;
	}
   }
   if(!itemchecked) { 
    alert("Please choose an answer for "+el[i].name+".");
    if(el[i].focus)
     el[i].focus();
	return false;
   }
  }
 }
 return true;
} 
//  End -->
</script>
	<!--
    	This script downloaded from w w w.JavaScriptBank. com
    	Come to view and download over 2000+ free javascript at w w w.JavaScriptBank. com
	-->

Step 2: Place HTML below in your BODY section
HTML

<FORM onsubmit="return checkRadios(this);">
Blue:
<input type="radio" value="1" name="blue">
<input type="radio" value="2" name="blue">
<input type="radio" value="3" name="blue">
<input type="radio" value="4" name="blue">
<input type="radio" value="5" name="blue">
<BR>

Red:
<input type="radio" value="1" name="red">
<input type="radio" value="2" name="red">
<input type="radio" value="3" name="red">
<input type="radio" value="4" name="red">
<input type="radio" value="5" name="red">
<BR>

<input type="submit" value="check" name="button">
</FORM>
	<!--
    	This script downloaded from w w w.JavaScriptBank. com
    	Come to view and download over 2000+ free javascript at w w w.JavaScriptBank. com
	-->

Originally Posted by Copyright

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thanxxx for your useful Javascripts.