Javascript enable button ie6

Question

I have a change password screen and when the 2 passwords match i need to enable the save button. It works with IE8 + IE7 but fails to enable the button in IE6

        var LblError = document.getElementById('ctl00_cphValNet_LblError');
        var Pwd1 = document.getElementById('ctl00_cphValNet_txtNewPassword')

        var Pwd2 = document.getElementById('ctl00_cphValNet_txtNewPassword2')

        var Change = document.getElementById('ctl00_cphValNet_BtnUpdatePassword')
        // code to check if password matches
        Change.disabled = false;

Any ideas why this is happening

Sp

Could the RegEx be causing the issue?

function IsalphaNumericValidate(alphanumericChar) {
        if (alphanumericChar.length < 6 || alphanumericChar.search(/[^a-zA-Z0-9 ]/g) != -1) {
            return false;
        }
        else {
            var re = /(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6,}/;
            return re.test(alphanumericChar);

        }           
    }

Answer 1

instead of

Change.disabled = false;

try

Change.removeAttribute('disabled');

demo