$(function(){
//	$('#left_products_column .head').click(function() {
//													$(this).next().toggle('slow');
//													return false;
//												})
//									.next().hide();
//	$('.open').show();

	/*##### Close all <ul> element under any <li> except top level <ul> #####*/
	$('#left_products_column li ul').hide();
	
	/*##### Open category which has class="open" #####*/
	$('#left_products_column li.open > ul').show();
	
	/*##### Open sub category which has class="open" #####*/
	$('#left_products_column li.open > ul > li.open > ul').show();
	
});