var handleSuccess = function(o){
	if(o.responseText !== undefined){
		document.getElementById('title').innerHTML = o.responseText;
	}
};

var handleFailure = function(o){
	if(o.responseText !== undefined){
		selectToChange.innerHTML = "<li>Transaction id: " + o.tId + "</li>";
	}
};

function changeSelectedCategories(inField, outField) { 
	selectCatValue = document.getElementById('type').value;
	selectAuthValue = document.getElementById('author').value;
	/*
	var callback =
	{
  		success:handleSuccess,
  		failure:handleFailure
	};
	if ((selectAuthValue!='')||(selectCatValue!='')) {
		var sUrl = "postSelect.php";
		var postData = "type="+selectCatValue+"&&author="+selectAuthValue;
		var request = YAHOO.util.Connect.asyncRequest('POST', sUrl, callback, postData);
		//var sUrl = "postSelect.php?section="+document.getElementById(from).id+"&&value="+selectValue;
		//var request = YAHOO.util.Connect.asyncRequest('GET', sUrl, callback);
	}
	*/
	selectTitle = document.getElementById('title').value;
	if ((selectAuthValue!='')||(selectCatValue!='')||(selectTitle!='')) {
		if (inField == "type") {
			selectAuthValue = "";
			selectTitle = "";
		} else if (inField == "author") {
			selectTitle = "";	
		}
		var sUrl = "catalogo.php";
		var postData = "type="+selectCatValue+"&&author="+selectAuthValue+"&&title="+selectTitle;
		document.location=sUrl+'?'+postData;
	}
}

var handleSuccessAddCart = function(o){
	if(o.responseText !== undefined){
		document.getElementById('carrelloCNT').innerHTML = "il tuo carrello ("+o.responseText+")";
	}
};

var handleFailureAddCart = function(o){
	if(o.responseText !== undefined){
		document.getElementById('carrelloCNT').innerHTML = "il tuo carrello ("+o.responseText+")";
	}
};

function addToCart(id) { 
	var callback =
	{
  		success:handleSuccessAddCart,
  		failure:handleFailureAddCart
	};
	var sUrl = "addInCart.php";
	var postData = "id="+id;
	if (confirm("Vuoi aggiungere il prodotto al tuo carrello?"))
	{
		var request = YAHOO.util.Connect.asyncRequest('POST', sUrl, callback, postData);
	};
	//var sUrl = "postSelect.php?section="+document.getElementById(from).id+"&&value="+selectValue;
	//var request = YAHOO.util.Connect.asyncRequest('GET', sUrl, callback);
}

var handleSuccessModCart = function(o){
	if(o.responseText !== undefined){
		document.getElementById('updatable-page-container').innerHTML = o.responseText;
	}
};

var handleFailureModCart = function(o){
	if(o.responseText !== undefined){
		document.getElementById('updatable-page-container').innerHTML = o.responseText;
	}
};

function modToCart(type, id) { 
	var callback =
	{
  		success:handleSuccessModCart,
  		failure:handleFailureModCart
	};
	var sUrl = "modToCart.php";
	var postData = "type="+type+"&id="+id;
	var request = YAHOO.util.Connect.asyncRequest('POST', sUrl, callback, postData);
	//var sUrl = "postSelect.php?section="+document.getElementById(from).id+"&&value="+selectValue;
	//var request = YAHOO.util.Connect.asyncRequest('GET', sUrl, callback);
}