jQuery value and text of selected option in selectbox

You often need the value and text of the selected option of a select box. $("#selectboxid").val() returns the value of the selected option and $("#selectboxid :selected").text() returns the text.

Solution found at:
http://marcgrabanski.com/articles/jquery-select-list-values

'not found in haystack' error in Zend

If you get a '%value%' was not found in the haystack' error when using select boxes in Zend, add the following to the form element:

$element->setRegisterInArrayValidator(false);

or directly when creating form:

$form->addElement('multiselect', 'elementname', array('RegisterInArrayValidator' => false));

Solution found at: http://stackoverflow.com/questions/991001/zendvalidatebetween-strange-error-message