[xsl] Help with an xsl:if

[Michelle Tarby <tarbymm@xxxxxxxxxxx>]

I can't figure out what I'm doing wrong with this statement. If I take 
out the xsl:if, everything displays properly, but I'd like to only 
display crosslist if there's something other than none as a value:

<xsl:for-each select="fll/class">
<xsl:value-of select="number"/>.
<xsl:value-of select="title"/>
(<xsl:value-of select="credits"/>)
<xsl:if test="crosslist=!'none'">
<xsl:value-of select="crosslist" />
</xsl:if>
<xsl:value-of select="prereq"/><br />
<xsl:value-of select="description"/><br /><br />
</xsl:for-each>

Any suggestions would be appreciated.

--
Michelle Tarby
Director of Web Services
Information Technology
Le Moyne College
http://www.lemoyne.edu
tarbymm@xxxxxxxxxxx
*****************************
That's the beauty of tomorrow. There is no such thing as a setback. The lessons I learn today I will apply tomorrow, and I will be better.
 Tiger Woods