I have tried using FOP2 via Chrome on Mac OSX 10.7 (latest release of Lion), and it doesn't connect.
But Safari and Firefox work okay.
How come Chrome for Mac OSX doesn't work??

you didn't address why spaces are being stripped out in group names. I will try using   to see if that HTML escape sequence works okay.

what is the significance of the "shift" key when clicking browser refresh?

When I first changed the CSS file, and logged out/in again, there was no change to the presentation, so I thought the change had no effect. Now, today, the layout changed. So my burning question is after you make a change to the CSS, how do you force the browser to reload the CSS style; it appears to be cached somehow, how do you flush this out to make it happen again. I am using FreePBX, and there doesn't seem to be a "reload" button for the FOP2 product, and I would have thought that pressing the refresh button in the browser would update but it doesn't....

well, the FOP2 layout shows 4 extensions per row. However on a large monitor with lots of horizontal pixels, such as a 1280 horiz. display on a 23 inch monitor, it means lots of dead space, and the caller name is truncated. It seems like it would be very worthwhile to add some kind of control in the product itself to determine the size, and allow for customization. changing the index.html is pretty scary. I will give it a try, but it should be in the documentation how to adjust the size of the extension boxes. also one can use HTML DIV tags, and use a 25% width tag on each element so as to fully utilize all the horizontal space, that is another possibility for FOP2 to look at that would make it automatically use up all horizon. space.

I tried changing in the operator.css file the field called "width=17.4em;", to a much larger number, but the width of the cells in the table (it is 4 cells across) did not change, and the total width of the extension cell did not change. How do you force a refresh? I updated freepbx, did a reload, logged out and back into FOP2, but no change occurred. Either this is not the correct field to change OR you have to kick FOP2 somehow to force it to reload?

By filling in the "groups' field I was able to get FOP2 to show various groups. I noticed that it put my OPERATOR group first. How did it know to do this? How does one set the order of the groups... they appear to be in alphabetical order except for the magic "operator" group. And how come when I put in a group name of "BMW Dealership" the space gets stripped out. How does one put a space inside a group name? minus signs work of course, but a minus is not the same as a space....

I want to widen the default width of the buttons. I figure this is some CSS parameter, but where is the CSS stored,and which field value do I change to widen the box width? The box right now only shows about 7 characters of the caller name (CNAME), and I want to have a wider box so that i can see more like 20 characters, because i have ambiguous caller names after 7 characters... for example MERCEDES PARTS vs. MERCEDES SALES are the same in the first 7 characters, and that confuses the operator. Any help is appreciated.

In the display, there is nice box labeled EXTENSIONS and then each of the extension buttons is below. I want to group the extensions into 3 piles (groups). I noticed that if I enable my user (say 500) to include 3 groups, all the extensions in those groups are sorted together into one pile, labeled EXTENSIONS. How can I set it up so that I see 3 groups, such as MEENY, MINEY, MOE. It seems that if you go multi-tenant it does break them into piles, but by creating multiple event streams coming in that will slow the system down considerably.