#if( !$path )
  #set( $path = $context.getRequestParameter("path") )
 #end  	
 #if ( $path )
  $imagePicker.getTreeRenderer().setSelectedNodeByUrl("$path")
 #end
    
 <div id="render$imagePicker.getName()">      
  $imagePicker.render()

<form id="treeform" name="treeform">
	<input type="hidden" name="path" id="treepath" value="$imagePicker.getTreeRenderer().getSelectedNode().getURL()" />
</form>

</div>