     hMask.appendChild contentHolder
 
     if @shading
-      topShader = shader.cloneNode()
+      topShader = shader.cloneNode false
       topShader.className = 'oridomi-shader-top'
       topShader.style.background = @_getShaderGradient 'top'
-      bottomShader = shader.cloneNode()
+      bottomShader = shader.cloneNode false
       bottomShader.className = 'oridomi-shader-bottom'
       bottomShader.style.background = @_getShaderGradient 'bottom'
       hMask.appendChild topShader


    for axis in @axes
      @panels[axis] = []
      @stages[axis] = stage.cloneNode()
      @stages[axis].className = 'oridomi-stage-' + axis

    if @shading

      rightShader.className = 'oridomi-shader-right'
      rightShader.style.background = @_getShaderGradient 'right'

    vPanel = hPanel.cloneNode false
    vPanel.className = 'oridomi-panel-v'
    vPanel.style.width = @panelWidth + 'px'
    vPanel.style.height = '100%'
