rem: opt = element.options[index]; value = opt.value || opt.text; 
add: opt = Element.extend(element.options[index]);  value = opt.hasAttribute('value') ? opt.value : opt.text; 
context:   selectOne: function(element) {    var value = '', opt, index = element.selectedIndex;    if (index >= 0) {      opt = element.options[index];      value = opt.value || opt.text;    }    return [element.name, value];  },
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