Sharepoint Site for Citrix application

In our environment we have SharePoint Site which is used as Intranet, it has icon shortcuts to applications.
Some of the applications are web applications, that means when user clicks on it , it opens up a website. The one I am interested in knowing how it is configured is the icons that opens up citrix published applications.
When user clicks on the icon on sharepoint site, it launches citrix receiver then it opens up the application.
I need to know how they have configured this to happen? is it configured in SharePoint or in Citrix ? in either cases how  is it configured?

Thank you
jskfanAsked:
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Tony JohncockLead Technical ArchitectCommented:
Can you download the file? I suspect from your description that it is just a .ICA file.
jskfanAuthor Commented:
Yes I can
you mean right -click on the icon and select "Save Target As" ?
Tony JohncockLead Technical ArchitectCommented:
Yes. When you save it, does it save as <filename>.ica ?
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jskfanAuthor Commented:
Yes it does save as filename.ica
Tony JohncockLead Technical ArchitectCommented:
There's you answer then. Someone has create the ICA files - most likely using the Citrix Quick Launch utility - and loaded them up to SharePoint.

The utility is available here: http://support.citrix.com/article/CTX122536

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jskfanAuthor Commented:
Thank you..
I will take a look at that tool when I get a chance
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