admin_boundary.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map[
  <!ENTITY maxscale "500000">
  <!ENTITY db_settings SYSTEM "config/db_settings.inc.xml">
]>
<Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs +over" background-color="transparent" minimum-version="0.7.2">
<Style name="boundary_ways">
	<Rule>
	<Filter>[admin_level]='2'</Filter>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#0000FF" stroke-width="2" stroke-opacity="1"/></Rule>
	<Rule>
	<Filter>[admin_level]='4'</Filter>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#00FF00" stroke-width="2" stroke-opacity="1"/></Rule>
	<Rule>
	<Filter>[admin_level]='5'</Filter>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#dec703" stroke-width="2" stroke-opacity="1"/></Rule>
	<Rule>
	<Filter>[admin_level]='6'</Filter>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#0000ff" stroke-width="2" stroke-opacity="1"/></Rule>
	<Rule>
	<Filter>[admin_level]='7'</Filter>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#FF1b13" stroke-width="2" stroke-opacity="1"/></Rule>
	<Rule>
	<Filter>[admin_level]='8'</Filter>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#FF0000" stroke-width="2" stroke-opacity="1"/></Rule>
	<Rule>
	<Filter>[admin_level]='10'</Filter>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#03b0de" stroke-width="2" stroke-opacity="1"/></Rule>
	<Rule>
	<ElseFilter/>
	<MaxScaleDenominator>&maxscale;</MaxScaleDenominator>
	<LineSymbolizer stroke="#000000" stroke-width="2" stroke-opacity="1"/></Rule>
</Style>

  <Layer name="boundary_ways" status="on" srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs +over">
	  <StyleName>boundary_ways</StyleName>
	  <Datasource>
	  	  &db_settings;
		  <Parameter name="table">
			  (select way,admin_level from planet_osm_line where boundary='administrative') as admin
		  </Parameter>
	  </Datasource>
  </Layer>
</Map>