function addFormField() {

	var id = $('#form1 p[id^="row"]').length + 1;

	$("#campi").append('<p id="row'+id+'"><label for="txt'+id+'">Campo '+id+' </label><input type="text" size="20" name="txt[]" id="txt'+id+'" /> 		<a href="#" onclick="removeFormField($(this).parent());return false;"><img src="img/edit_remove.png"/ border=0></a></p>');
	
	document.getElementById("valore_c").innerHTML = "Campi inseriti: < "+id+" >";
}

function removeFormField(el) {
    var index = 0;
	$(el).remove();
	$('#form1 p[id^="row"]').each(function(i){
	i++; index=i;
	$(this).attr('id','row'+i);
	var currentVal = $(this).find('input').val();
	$(this).html('<label for="txt'+i+'">Campo '+i+' </label><input type="text" size="20" name="txt[]" id="txt'+i+'" value="'+currentVal+'" /> <a href="#" onclick="removeFormField($(this).parent());return false;"><img src="img/edit_remove.png"/ border=0></a>');
    
});
	document.getElementById("valore_c").innerHTML = "Campi inseriti: < "+index+" >";
}