function set_onclick_open_category_handle(c_id, c_lan){
		var element = document.getElementById("img_category_"+c_id);
		element.onclick = function(){xajax_open_products_in_category(c_id,c_lan);};
	}
	function set_onclick_close_category_handle(c_id, c_lan){
		var element = document.getElementById("img_category_"+c_id);
		element.onclick = function(){xajax_close_products_in_category(c_id,c_lan);};
	}