   setAutoGrow:->
 
     $input = @$()
+    $input.css "overflow", "hidden"
 
     @setClass "autogrow"
 

        @_clone.appendTo 'body'
        @_clone.css
          height        : "auto"
          "z-index"     : 100000
          width         : $input.width()
          padding       : $input.css('padding')
          "word-break"  : $input.css('word-break')
          "font-size"   : $input.css('font-size')
          "line-height" : $input.css('line-height')

    @on "blur", =>
      @_clone.detach()

  resize: ->
    return  unless @_clone
    @_clone.appendTo 'body' unless document.body.contains @_clone[0]
    @_clone.html Encoder.XSSEncode @getValue()
    @_clone.append document.createElement "br"

    height = @_clone.height()
    if @$().css("boxSizing") is "border-box"
      padding = parseInt(@_clone.css("paddingTop"),     10) + parseInt(@_clone.css("paddingBottom"),     10)
      border  = parseInt(@_clone.css("borderTopWidth"), 10) + parseInt(@_clone.css("borderBottomWidth"), 10)
      height  = height + border + padding

    @setHeight Math.max @initialHeight, height

  enableTabKey:-> @inputTabKeyEnabled = yes

