$(document).ready(function(){
						   
$('.tree_left_root > a').bind('click', function(e){
  leftx=e.pageX - this.offsetLeft;
  if (leftx<=21){
cselected=$(this).is('.selected');

	$('.tree_left_root a').removeClass("selected");
	$('.tree_left_root .tree_left_level').slideUp('slow');
if(!cselected){
	$('#'+$(this).attr('id')+'div').slideToggle("slow");
	$(this).addClass('selected');
}
	return(false);
  }
});

});