jQuery select option elements by value

Question

I have a select element wrapped by a span element. I am not allowed to use the select id but I am allowed to use the span id. I am trying to write a javascript/jquery functi

Answer 1

function select_option(index)
{
    var optwewant;
    for (opts in $('#span_id').children('select'))
    {
        if (opts.value() = index)
        {
            optwewant = opts;
            break;
        }
    }
    alert (optwewant);
}

Answer 2

options = $("#span_id>select>option[value='"+i+"']");
option = options.text();
alert(option); 

here is the fiddle http://jsfiddle.net/hRFYF/