IE is a pain in the butt.

IEregexproblems.js

     $("#pocodesubmit").click(function(event) {
        event.preventDefault();
        var postalcode = $('#areaField').val().toUpperCase().replace(/ /g,'');
        var regexObj = { canada : /^[ABCEGHJKLMNPRSTVXY]\d[ABCEGHJKLMNPRSTVWXYZ]()?\d[ABCEGHJKLMNPRSTVWXYZ]\d$/i};
        var regexp = new RegExp(regexObj.canada);
        if (!regexp.test(postalcode)) {   // This one triggers properly in IE.
            $('.title').html('Please Enter a Postal Code');
        } else {  // This one does not trigger properly in IE.
            alert('sending');
            var thesearch = 'txt_search='+postalcode;
            $.ajax({
                type:"POST",
                url:"<?php echo $this->getThemePath()?>/includes/elements/action_iya.php",
                data:thesearch,
                success: function() {
                    $('.title').html('Updating your Information'); 
                    $('.pcode').html(postalcode);
                    $('.inYourArea').addClass('hide');
                    $('.inYourArea.current').removeClass('hide').addClass('visible');
                    $.cookie('iya_postalcode', postalcode, {path: '/'});
                    location.reload();
                }
            });
        }
        return false;
    });