function back() {
	history.back(-1);
}

function emptyFormNotAllowedSuggest(form){
	for(i=0;i<form.elements.length;i++){
		if(form.elements[i].value == "" && form.elements[i].name!="alt_cat"){
			alert("empty fields are not allowed.");
			form.elements[i].focus();
			return false;
		}
	}
	return true;
}

function emptyFormNotAllowed(form){
	for(i=0;i<form.elements.length;i++){
		if(form.elements[i].value == "" && form.elements[i].type!="hidden"){
			alert("empty fields are not allowed.");
			form.elements[i].focus();
			return false;
		}
	}
	return true;
}

function emptyFormNotAllowedCat(form){
	for(i=0;i<form.elements.length;i++){
		if(form.elements[i].value == "" && form.elements[i].type!="hidden" && form.elements[i].name!="email" && form.elements[i].name!="alt_cat" && form.elements[i].name!="notes" && form.elements[i].name!="eng_h3" && form.elements[i].name!="ita_h3" && form.elements[i].name!="eng_h4"  && form.elements[i].name!="ita_h4" && form.elements[i].name!="eng_description" && form.elements[i].name!="ita_description" && form.elements[i].name!="eng_keywords" && form.elements[i].name!="ita_keywords"){
			alert("empty fields are not allowed.");
			form.elements[i].focus();
			return false;
		}
	}
	return true;
}

function emptyFormNotAllowedSite(form){
	for(i=0;i<form.elements.length;i++){
		if(form.elements[i].value == "" && form.elements[i].type!="hidden" && form.elements[i].name!="email" && form.elements[i].name!="category2" && form.elements[i].name!="category3" && form.elements[i].name!="category4" && form.elements[i].name!="notes" && form.elements[i].name!="urlthumb"){
			alert("empty fields are not allowed ;-)");
			form.elements[i].focus();
			return false;
		}
	}
	return true;
}

function emptyFormNotAllowedPay(form){
	for(i=0;i<form.elements.length;i++){
		if(form.elements[i].value == "" && form.elements[i].name!="alt_cat" && form.elements[i].name!="name" && form.elements[i].name!="address" && form.elements[i].name!="piva"){
			alert(form.elements[i].name);
			alert("empty fields are not allowed.");
			return false;
		}
	}
	return true;
}

function deleteDenied(childs){
	if(childs == -1){
		var is_confirmed=confirm("Are you sure you want delete this category?");
		if(is_confirmed){
			return true;
		} else {
			return false;
		}
	} else {
		alert("You can't delete this category: it's not empty");
		return false;
	}
}

function confirmDelete(name) {
	var is_confirmed=confirm("Are you sure you want delete this " + name + " ?");
	if (is_confirmed) {
		return true;
	}
	return false;
}

function checkForm(form){
	if(!form.read.checked){
		alert("Per proseguire devi prima accettare l'informativa ...");
		return false;
	} else {
		return emptyFormNotAllowed(form);
	}
	return true;
}

function checkFormSuggest(form){
	if(!form.read.checked){
		alert("Per proseguire devi prima accettare l'informativa ...");
		return false;
	} else {
		return emptyFormNotAllowedSuggest(form);
	}
	return true;
}

function checkFormPay(form){
	if(!form.read.checked){
		alert("Per proseguire devi prima accettare l'informativa ...");
		return false;
	} else {
		return emptyFormNotAllowedPay(form);
	}
	return true;
}