I'm new to Search Engine Optimization (SEO) and my online friend mentioned to me to do link building. What is it and how does it work?

Okay, I know it sounds ridiculous but I just wonder, is it possible to have the 3 search bars (Google, Yahoo and Bing) in one website?

Aside from Firefox, chrome and IE I also have this Flock browser, and it looks like firefox.

Is built from Firefox platform?

I was trying to access a very important website using Firefox when I got this error message about invalid certificate.  I tried getting the resolution from the internet but received various ones.  I then chanced upon this forum thinking that you might have the right solution. 

I rely on your expertise and help will much be appreciated.

Alert

You have received an invalid certificate. Please contact the server administrator or email correspondent and give them the following information:

Is it possible to insert two scripts in the HEAD part of HTML? I have copied and pasted a script to display time and a script to add undo and redo functionality to a TEXTAREA. But whenever I insert both scripts at the same time the time stops counting. I mean, you have to refresh the page first to refresh the time. Why is it doing so? I'm pretty sure the codes are working fine as long as they are not inserted in the HEAD part at the same time. I've already tested it.

I'm a fourth year student taking up BS Computer Science and I'm interested of developing a chat platform myself. For programmers here, what language should I use or learn?

I always get this error whenever I access sites using http://www.fbtunnel.com/ in my workplace:

“This page contains both secure and nonsecure items.

Do you want to display the nonsecure items?”

Is it possible to get rid of this?

How is it possible to make Open Office Writer or even MS Office Word to be a customizable HTML editor?

How to disable or enable the Image Toolbar and Automatic Image Resizing Feature in Internet Explorer 6?