<xsl:variable name="leader6" select="substring($leader,7,1)"/>
<xsl:variable name="leader7" select="substring($leader,8,1)"/>
<xsl:variable name="biblionumber" select="marc:controlfield[@tag=001]"/>
- <xsl:variable name="DisplayOPACiconsXSLT" select="marc:sysprefs/marc:syspref[@name='DisplayOPACiconsXSLT']"/>
<xsl:variable name="OPACURLOpenInNewWindow" select="marc:sysprefs/marc:syspref[@name='OPACURLOpenInNewWindow']"/>
<xsl:variable name="URLLinkText" select="marc:sysprefs/marc:syspref[@name='URLLinkText']"/>