I did not understand your question fully.
As far as I understand:
<li> you choose a domain(hosting) of yours in ehcp,
<li> click on easy install scripts, choose an easy install script,
<li> enter a target directory or leave empty to install onto root of your domain folder,
<li> you click go, then, you wait a bit, for following steps
<li> on background: ehcp downloads that script (if that file in ehcp db is up to date, and exists on target server) in background, extracts it, copies it to your destination folder,
<li> then, if defined in scripts table, background ehcp daemon executes some preliminary shell commands such as chmod a+w cache...
<li> you wait until background finishes the progress, you cannot see process on ehcp gui, but the duration is typicaly 30 sec for 1st installation, depending on your net speed; after 1st installation, ehcp stores downloaded script archives in local, so that other installations is usually less then 2 second,
<li> then, you may click on your destination dir on your ehcp gui and see the script downloaded and extracted, ready to continue other manual installation.
<li> if you need more manual operations on that script, you may do it usin ftp or ssh, mostly, ftp is enaugh..
<li> if you want to add/customize some scripts, you may play with ehcp db, scripts table..
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exxa
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