function hashResponse() {
    getRefToElement('attemptLogin').disabled=true;
	var chall = getRefToElement('chall');
	var resp = getRefToElement('pwd');
	if (resp.value != '' && resp.value.length != 32) resp.value = hex_md5(hex_md5(resp.value).toLowerCase() + chall.value).toLowerCase();
	//chall.value = '';
	//alert(resp.value);
}