To add the Client Portal code to Joomla site, you will first need to allow Javascript and iFrame on your Joomla editor:

• On Extensions menu click on Plug-in Manager.
• Find and click on Editors – TinyMCE (or any other editor in use), click on Basic Options on the right.
• On Prohibited Elements section remove mentioning of script and iFrame. Click Save.
• Set up general text filtering:
  On Joomla 2.5, 3.1: Click on Site menu, select Global Configuration, click on Text Filters.
  Joomla 1.7: Click on Content menu, select Article Manager, click on Options on the top right corner and click on Text Filters tab. 
  Under Super Users section select No Filtering.

Copy the Client Portal ML code:

• From the left navigation pane, click on Online Presence>Pop-Up Widget.
• Click on Edit/View Client Portal widget.
  
  
  
  
• Complete the Client Portal Widget settings.
• Click Add To Website button and copy the HTML code.

Add the Client Portal Widget Code to your site:

• Click on Extensions menu and select Module manager.
• Click on New and select Custom HTML.
• Enter a title and Select Position-0 (If you don't see the Client Portal on your website after you complete this step, you may need to choose a different position, depending on the website templates).
• In the Content Editor section click the HTML button, paste the Client Portal Widget HTML Code and click Update. 
• Click on Save.