$(document).ready(function() {
$('#search_panel input[name=\'filter_name\']').keydown(function(e) {
		if (e.keyCode == 13) {
			url = 'index.php?route=product/search';
			 
			var filter_name = $('input[name=\'filter_name\']').attr('value')
			
			if (filter_name) {
				url += '&filter_name=' + encodeURIComponent(filter_name);
			}
			
			location = url;
		}
	});
});