One click login with cookies - Possible?

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http://forums.cpanel.net – Hello, I'm trying to make a Google Chrome extension to use on my computer, it's meant to be a one-click WHM/cPanel login A chrome extension can set cookies take a quick look at their API: https://developer.chrome.com/extensions/cookies.html But I don't know exactly what to add there to make a one click login, as I'm not a programmer, I'm more of a designer Can someone give me a light to start researching about this? (HowTos)