var EM = {
	getDropdown: function(category_id) {
		// get dropdown top right
		$.ajax({
			type: 'GET',
			url: '/_ajx_dropdown.php',
			data: 'category_id=' + category_id,
			success: function(html) { $('form#dropdown_topright').html(html); },
			error: function(XMLHttpRequest, textStatus, errorThrown) { }
		});
	}
}