$('#search').click(function() {
	var search_term = $('#search_box').val();
	location.href = "/search.php?q="+search_term;
});
	$('#search_box').keyup(function(e) {
	if(e.keyCode == 13) {
	var search_term = $('#search_box').val();
	location.href = "/search.php?q="+search_term.replace(' ','+');
	}
});