How I can know level of nesting of each descendant?

[Evgeniy Strokin]

Hi,
I have code:
<script>
<xsl:for-each select="ProductMetadata">
<xsl:variable name="prod" select="."/>
var prod_<xsl:value-of select="$prod/@product"/>=new
Array(<xsl:value-of select="count(descendant::*)"/>);
        <xsl:for-each select="descendant::*">
        prod_<xsl:value-of
select="$prod/@product"/>[<xsl:value-of
select="position()"/>]="<xsl:value-of
select="@mnemonic"/>";
        </xsl:for-each>
</xsl:for-each>
</script>
How I can know level of nesting of each descendant? 
Actually I want to put how many &nbsp; before
<xsl:value-of select="@mnemonic"/> what level of
nesting is. 
For example:
If I have XML like:
<root>
<ProductMetadata product="pr1">
<prop1 mnemonic="1">    
<prop2 mnemonic="2"/>
<prop3 mnemonic="3"/>
</prop1>
<prop4 mnemonic="4"/>
</ProductMetadata>
</root>
I want result like:
var prod_pr1=new Array(4);
prod_pr1[0]="1";
prod_pr1[1]="&nbsp;2";
prod_pr1[2]="&nbsp;3";
prod_pr1[3]="4";

Is it possible at all?
Thanks,
Jenya


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