HTML Form is submitting despite return false in onclick while using Internet Explorer

Below is a code that works perfectly in firefox but not in internet explorer. In internet explorer, if you press enter without hitting the button, it submits the form instead of calling the ajax. The problem is that for some reason internet explorer doesn't recognize return false I think.

Again, this works 100% in firefox whether you click the button, or press enter.But in IE only clicking the button makes the form function correctly.

Live URL: http://www.urgentpropertysale.com/form/ups/property_form_1.php?source_2=UPS%20OnlineForm

You can test using this form if you wish.
<form id="form" name="property_form" method="post" action="property_form_save.php">
  <div id="property_div">
  <table width="100%" cellspacing="0" cellpadding="3">
    <tr>
      <td><strong>Enter your Postcode to get started now and receive your FREE Valuation &amp; FREE Books: </strong></td>
    </tr>
    <tr>
      <td><p>
        <input type="text" name="post_code" value="<?=$_REQUEST[post_code]?>"/> 
          <input type="submit" name="Submit2" value="Search Postcode" onclick="
		var postvars = gather('property_form');
		callAJAX('property_form_address_retrieve.php','property_div',postvars); 
		return false;"/>
          </p>
        </td>
    </tr>
  </table>  </div>
  </form>

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LVL 2
MeridianManagementAsked:
Who is Participating?
 
scrathcyboyConnect With a Mentor Commented:
Here is the general way to stop ENTER from submitting a form --

document.onkeypress = keyPress;
var count = 1;
function keyPress() {
if (window.event.keyCode == 13)
{
    event.returnValue=false;
    event.cancel = true;
}
}

also see this link for onKeyDown --

http://www.thefutureoftheweb.com/blog/submit-a-form-in-ie-with-enter
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hieloCommented:
try:
<form id="form" name="property_form" method="post" action="property_form_save.php"  onsubmit="var postvars = gather('property_form');callAJAX('property_form_address_retrieve.php','property_div',postvars); return false;">
  <div id="property_div">
  <table width="100%" cellspacing="0" cellpadding="3">
    <tr>
      <td><strong>Enter your Postcode to get started now and receive your FREE Valuation & FREE Books: </strong></td>
    </tr>
    <tr>
      <td><p>
        <input type="text" name="post_code" value="<?=$_REQUEST[post_code]?>"/> 
          <input type="submit" name="Submit2" value="Search Postcode" />
          </p>
        </td>
    </tr>
  </table>  </div>
  </form>

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0
 
MeridianManagementAuthor Commented:
That will work for the first leg, but then it never actually submits to property_form_save.php, am I right?
0
 
MeridianManagementAuthor Commented:
scrathcyboy, didn't see your solution I was speaking to hielo, I'll try it.
0
 
hieloCommented:
>>That will work for the first leg,
???
It doesn't allow you submit the form via enter or clicking the submit button. IF you wanted to submit the form you would need to do:
document.property_form.submit();
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