$(document).ready(function(){
	$("#ricerca").keypress(function (e) {
		if (e.which == 32 || (65 <= e.which && e.which <= 65 + 25) || (97 <= e.which && e.which <= 97 + 25)) {
    		var c = String.fromCharCode(e.which);
			$.ajax({
				type: "GET",
				url: "/srv/search_results.php",
				data: "ricerca="+c+"&anno="+$("#anno").val()+"&tipo="+$("#tipo").val(),
				success: function(html){
	    			$("#search_results").html(html);
	  			}
			});
  		}
	});
});

$(document).ready(function(){ 
    $("#anno").change(function(){ 
 		$.ajax({
			type: "GET",
			url: "/srv/search_results.php",
			data: "ricerca="+$("#ricerca").val()+"&anno="+$("#anno").val()+"&tipo="+$("#tipo").val(),
			success: function(html){
    			$("#search_results").html(html);
  			}
		});
    }); 
});

$(document).ready(function(){ 
    $.ajax({
			type: "GET",
			url: "/srv/search_results.php",
			data: "ricerca="+$("#ricerca").val()+"&anno="+$("#anno").val()+"&tipo="+$("#tipo").val(),
			success: function(html){
    			$("#search_results").html(html);
  			}
		});
});