multiple selection without CTRL

gistfile1.coffee

      ignoreEvent = (event)->
            event.preventDefault()
            event.stopPropagation()
            true
      $('select[multiple]').each ->
          select = $ @
          values = {}
          $('option',select)
          .each (i, option)->
              values[option.value] = !!option.selected
          .on 'mousedown',  ignoreEvent
          .on 'mouseup',    ignoreEvent
          .click (event)->
              ignoreEvent(event)
              values[@value] = !values[@value];
              refreshValues = ->
                $('option',select).each (i, option)->
                  option.selected = if values[option.value] ? "" then "1" else ""
              refreshValues()
              setTimeout refreshValues, 0
              setTimeout refreshValues, 20
              setTimeout refreshValues, 100
              true