<{if $xoBlocks.canvas_left and $xoBlocks.canvas_right}>
<{includeq file="$theme_name/tpl/leftBlock.html"}>
<{includeq file="$theme_name/tpl/centerZone.html"}>
<{includeq file="$theme_name/tpl/rightBlock.html"}>
<{elseif $xoBlocks.canvas_left and $xoBlocks.canvas_right==""}>
<{includeq file="$theme_name/tpl/leftBlock.html"}>
<{includeq file="$theme_name/tpl/centerZone.html"}>
<{elseif $xoBlocks.canvas_left=="" and $xoBlocks.canvas_right}>
<{includeq file="$theme_name/tpl/centerZone.html"}>
<{includeq file="$theme_name/tpl/rightBlock.html"}>
<{else}>
<{includeq file="$theme_name/tpl/centerZone.html"}>
<{/if}>