More Mozilla / Cross-Browser Madness, table mousovers

[Chris-777]

I've been working on my CMPS a bit today, just cleaning up some blocks and generally tidying up some of the navgation bits.

If you view my site (http://www.sevenstring.org/), on the left side of the portal is a block titled "Reviews and Interviews". I put in some simple table cell mousovers, like so:



Code:
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Code is only visible to licensed users, and only when logged into the forums.
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I'm using onMousover for IE, and ILAYER for (what I thought) Mozilla/Netscape. The actual mousovers work just fine in both browsers, but for some reason Firefox is leaving a small gray line under each of the actual links, like this:

http://www.sevenstring.org/chris/ff_hate1.jpg

This doesn't happen in IE, naturally.

What am I missing here? I really like the look of the new module, and I'm a sucker for mousovers - they're CSS and any movement on a page makes it a little more "organic" in my opinion. However the fact that Firefox does this makes it so that it's something I either have to fix or do without. My CSS for "portalnav" (the actual links) is as follows:



Code:
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Code is only visible to licensed users, and only when logged into the forums.
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Any insight would really be appreciated.

Pulling it outside of the main definition is the same result:



Code:
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Code is only visible to licensed users, and only when logged into the forums.
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/me goes insane

Update 3: New code, no ilayers, global span call, underlines are gone, but so is my formatting.

/me laughs maniacally



Code:
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Code is only visible to licensed users, and only when logged into the forums.
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Aaaand I got it.

Awright, got it if anyone cares.

I added this definition:



Code:
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Code is only visible to licensed users, and only when logged into the forums.
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Plus the original portalartist:



Code:
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Code is only visible to licensed users, and only when logged into the forums.
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And used a global class in the table call itself, rather than individual spans for the table (eg: table class="portalartist")