How to open a URL in Firefox\Chrome from command line in pop up mode?
Maybe "application mode" is what you are looking for.
Here's an example:
"C:\Program Files\Google\Chrome\Application\chrome.exe" --app="http://www.youtube.com/"
This might Help
How can I launch a browser with no window frame or tabs/address bar
Following site lists all command line switches for chrome
in Mozilla FireFox you can do it like
firefox.exe -new-window "www.google.com"firefox.exe -new-tab "www.google.com"
in Google Chrome you can do it like
chrome.exe --app="www.google.com"chrome.exe --kiosk "www.google.com"