title: how to add scrolllayout in the framelayout from maya python
body: <p>I have a frameLayout to load the images, if i load more images i am unable to see all the images, 
  for this reason i need to add the scrollLayout in the frameLayout, so that i can scroll and see the images.
  Here i am unable to add the scrollLayout within the frameLayout.</p>
  
  <p>Here my code...</p>
  
  <pre><code>import maya.cmds as cmds
  import re,sys,os
  class assetBrowseTool(object):
      def __init__(self):
          if (cmds.window('assetBrowseWindow', q=True, ex=True)):
              cmds.deleteUI('assetBrowseWindow')
          assetWindow = cmds.window('assetBrowseWindow', title="xxxxxxx V1.0",s = False,widthHeight=(930, 530) )
          form = cmds.formLayout(numberOfDivisions=100, width=215, height=175)
          frame = cmds.frameLayout('imageFrame', label='Assets', borderStyle='in',w = 200, h = 200 )
          cmds.setParent( '..' )
          tabs = cmds.tabLayout(innerMarginWidth=5, innerMarginHeight=5)
          cmds.formLayout( form, edit=True, attachForm=[
          (tabs, 'top', 450), (tabs, 'left', 720), (tabs, 'bottom', 5), (tabs, 'right', 5),
          (tabs, 'right', 0),
          (frame,'left',5),(frame,'top',70),(frame,'bottom',5),(frame,'right',210)])
          child1 = cmds.rowColumnLayout(numberOfRows=1)
          cmds.iconTextButton(l = '',w = 60,h = 40,style='iconOnly')
          cmds.iconTextButton(l = '',w = 60,h = 40,style='iconOnly')
          cmds.iconTextButton(l = '',w = 60,h = 40,style='iconOnly')
          cmds.setParent( '..' )
          child2 = cmds.rowColumnLayout(numberOfColumns=1)
          cmds.setParent( '..' )
          child3 = cmds.rowColumnLayout(numberOfColumns=1)
          cmds.setParent( '..' )
          cmds.tabLayout( tabs, edit=True, tabLabel=((child1, 'IMPORT'), (child2, 'PUBLISH'),(child3, 'EXPORT')) )
          cmds.showWindow( 'assetBrowseWindow' )
  
  assetBrowseTool()
  </code></pre>
  
  <h1>for scrollLayout</h1>
  
  <pre><code>scrollLayout = cmds.scrollLayout(horizontalScrollBarThickness=0, verticalScrollBarThickness=0 )        
  value = cmds.scrollLayout(scrollLayout, query=True, scrollAreaValue=True)
  top = value[0]
  left = value[1]
  </code></pre>
  
  <p>How to add scrollLayout code into the above window.
  Thanks.</p>