//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with $ magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#backgroundPopup").fadeIn("slow");
		$("#popup").fadeIn("slow");
                $("#popupalert").fadeIn("slow");
		popupStatus = 1;
	}
}

//disabling popup with $ magic!
function disablePopup(){
	//disables popup only if it is enabled
//	alert(popupStatus);
//        if(popupStatus==1){
		$("#backgroundPopup").fadeOut("slow");
		$("#popup").fadeOut("slow");
                $("#popupalert").fadeOut("slow");
		popupStatus = 0;
//	}
}

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#popup").height();
	var popupWidth = $("#popup").width();
	//centering
	$("#popup").css({
		"position": "absolute",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6

	$("#backgroundPopup").css({
		"height": windowHeight
	});

}

//controllo del form
function verify()
{
	var v = isEmail(document.forms["e"].email.value);
	document.forms["e"].nome.value = trim(document.forms["e"].nome.value);
	document.forms["e"].cognome.value = trim(document.forms["e"].cognome.value);
	document.forms["e"].email.value = trim(document.forms["e"].email.value);
	document.forms["e"].indirizzo.value = trim(document.forms["e"].indirizzo.value);
	document.forms["e"].citta.value = trim(document.forms["e"].citta.value);
	document.forms["e"].cap.value = trim(document.forms["e"].cap.value);
	document.forms["e"].telefono.value = trim(document.forms["e"].telefono.value);
	
	if (document.forms["e"].nome.value.length == 0 || document.forms["e"].nome.value == document.forms["e"].nome.defaultValue)
	{
		alert ("Devi inserire il nome");
		document.forms["e"].nome.focus();
	}
	else if (document.forms["e"].cognome.value.length == 0 || document.forms["e"].cognome.value == document.forms["e"].cognome.defaultValue)
	{
		alert ("Devi inserire il cognome");
		document.forms["e"].cognome.focus();
	}
	else if (document.forms["e"].anni.value=="not_valid")
	{
		alert ("Devi inserire quanti anni hai");
		document.forms["e"].anni.focus();
	}
	else if (document.forms["e"].email.value.length == 0 || document.forms["e"].email.value == document.forms["e"].email.defaultValue)
	{
		alert ("Devi inserire l' email");
		document.forms["e"].email.focus();
	}
	else if (document.forms["e"].indirizzo.value.length == 0 || document.forms["e"].indirizzo.value == document.forms["e"].indirizzo.defaultValue)
	{
		alert ("Devi inserire l\'indirizzo");
		document.forms["e"].indirizzo.focus();
	}
	else if (document.forms["e"].citta.value.length == 0 || document.forms["e"].citta.value == document.forms["e"].citta.defaultValue)
	{
		alert ("Devi inserire la citta\'");
		document.forms["e"].citta.focus();
	}
	else if (document.forms["e"].cap.value.length == 0 || document.forms["e"].cap.value == document.forms["e"].cap.defaultValue)
	{
		alert ("Devi inserire il cap");
		document.forms["e"].cap.focus();
	}
	else if (document.forms["e"].telefono.value.length == 0 || document.forms["e"].telefono.value == document.forms["e"].telefono.defaultValue)
	{
		alert ("Devi inserire il telefono");
		document.forms["e"].telefono.focus();
	}
	else if (document.forms["e"].privacy.checked == false)
	{
		alert ("Trattamento dei dati personali non accettato!");
	}
	else if(v == 0)
	{
		alert("L' email inserita non e valida!");
		document.forms["e"].email.focus();
	}
	else
	{
		document.forms["e"].action = "iscrizione.php?act=mail";
		document.forms["e"].submit();
	}
}

function isEmail(string){
	if (string.search(/^\w+((-\w+)|(\.\w+))*\@\w+((\.|-)\w+)*\.\w+$/) != -1)
	return 1;
	else
	return 0;
}
function trim(string)
{
re=/\s+$|^\s+/g;
return string.replace(re,"");
}