XSLT document() function!!!!

HI...
A little question:
My input xml document (BBSD_CUSTOMERS.xml) is:

<?xml version="1.0" encoding="utf-8" ?>
<BBSD_CUSTOMERS>
<mappings Record="1">
 <CUST_B_NAME>AAA</CUST_B_NAME>
 <CUST_S_NAME>AAAA</CUST_S_NAME>
</mappings>
<mappings Record="2">
 <CUST_B_NAME>BBB</CUST_B_NAME>
 <CUST_S_NAME>BBBB</CUST_S_NAME>
</mappings>
etc..
</BBSD_CUSTOMERS>

My xslt document (BBSD_CUSTOMERS.xsl) is:

<?xml version="1.0" encoding="utf-8" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
version="1.0">
<xsl:output method="xml" />
<xsl:variable name="FILE" select="document('BBSD_CUST_ADDRESSES.xml')"/>
<xsl:template match="/">
<xsl:element name="WCUSTOMERS">
<xsl:for-each select="//BBSD_CUSTOMERS/mappings">
<xsl:element name="{name()}">


        <EMAIL>
        <xsl:apply-templates select="$FILE/BBSD_CUST_ADDRESSES
                /mappings/CADR_E_MAIL_1"/>
        </EMAIL>

        <xsl:element name="CUST_NAME">
                <xsl:value-of select="CUST_B_NAME" />
        </xsl:element>

        <xsl:element name="CUST_LAST_NAME">
                <xsl:value-of select="CUST_S_NAME" />
        </xsl:element>
</xsl:element>
</xsl:for-each>
</xsl:element>
</xsl:template>
</xsl:stylesheet>

The BBSD_CUST_ADDRESSES.xml (xml document that is referenced from inside the 
xslt) is:
<?xml version="1.0" encoding="utf-8" ?>
<BBSD_CUST_ADDRESSES>
<mappings Record="1">
  <CADR_E_MAIL_1>www(_dot_)youpi(_at_)yahoo(_dot_)com</CADR_E_MAIL_1>
</mappings>
<mappings Record="2">
   <CADR_E_MAIL_1>www(_dot_)youpa(_at_)yahoo(_dot_)com</CADR_E_MAIL_1>
 </mappings>
<mappings Record="3">
 <CADR_E_MAIL_1>www(_dot_)youpo(_at_)yahoo(_dot_)com</CADR_E_MAIL_1>
 </mappings>
 </BBSD_CUST_ADDRESSES>

My output is:

<?xml version="1.0" encoding="utf-8" ?>
<WCUSTOMERS>
<mappings>
 
<EMAIL>www(_dot_)youpi(_at_)yahoo(_dot_)comwww(_dot_)youpa@yahoo(_dot_)comwww(_dot_)youpo(_at_)yahoo(_dot_)com</EMAIL>
 <CUST_NAME>AAA</CUST_NAME>
 <CUST_LAST_NAME>AAAA</CUST_LAST_NAME>
 </mappings>
<mappings>
 
<EMAIL>www(_dot_)youpi(_at_)yahoo(_dot_)comwww(_dot_)youpa@yahoo(_dot_)comwww(_dot_)youpo(_at_)yahoo(_dot_)com</EMAIL>
 <CUST_NAME>BBB</CUST_NAME>
 <CUST_LAST_NAME>BBBB</CUST_LAST_NAME>
  </mappings>
<mappings>
 
<EMAIL>www(_dot_)youpi(_at_)yahoo(_dot_)comwww(_dot_)youpa@yahoo(_dot_)comwww(_dot_)youpo(_at_)yahoo(_dot_)com</EMAIL>
 <CUST_NAME>CCC</CUST_NAME>
 <CUST_LAST_NAME>CCCC</CUST_LAST_NAME>
</mappings>
</WCUSTOMERS>

How can i modify my xslt to get the following output:

<?xml version="1.0" encoding="utf-8" ?>
<WCUSTOMERS>
<mappings>
 <EMAIL>www(_dot_)youpi(_at_)yahoo(_dot_)com</EMAIL>
 <CUST_NAME>AAA</CUST_NAME>
 <CUST_LAST_NAME>AAAA</CUST_LAST_NAME>
 </mappings>
<mappings>
 <EMAIL>www(_dot_)youpa(_at_)yahoo(_dot_)com</EMAIL>
 <CUST_NAME>BBB</CUST_NAME>
 <CUST_LAST_NAME>BBBB</CUST_LAST_NAME>
  </mappings>
<mappings>
 <EMAIL>www(_dot_)youpo(_at_)yahoo(_dot_)com</EMAIL>
 <CUST_NAME>CCC</CUST_NAME>
 <CUST_LAST_NAME>CCCC</CUST_LAST_NAME>
</mappings>
</WCUSTOMERS>

THANKS...

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