var leaving = 1;
var errormessage = new String();
var alreadySubmited = false;

function checkForm()
{
	var flagerror = 0;

	errormessage = "I am sorry, the following error(s) have occured. \n _________________________________________________________\n"

	if (alreadySubmited == false)
	{
		alreadySubmited = true;

		if (typeof(document.jumpform.email) != "undefined")
		{
			if (valEmail() == false)
			{
				flagerror = 1;
			}
		}

		if (typeof(document.jumpform.cphone1) != "undefined" && typeof(document.jumpform.cphone2) != "undefined" && typeof(document.jumpform.cphone3) != "undefined")
		{
			if (valCellPhone() == false)
			{
				flagerror = 1;
			}
		}

		if (typeof(document.jumpform.numero2) != "undefined")
		{
			if (valCellPhoneAU() == false)
			{
				flagerror = 1;
			}
		}

		if (typeof(document.jumpform.Carrier) != "undefined")
		{
			if (valCarrierAU() == false)
			{
				flagerror = 1;
			}
		}

		if (typeof(document.jumpform.agree) != "undefined")
		{
			if (valOptin() == false)
			{
				flagerror = 1;
			}
		}

		if (typeof(document.jumpform.AstSign) != "undefined")
		{
			if (valAstSign() == false)
			{
				flagerror = 1;
			}
		}
		
		if (typeof(document.jumpform.gender) != "undefined" && typeof(document.jumpform.firstname) != "undefined" && typeof(document.jumpform.lastname) != "undefined")
		{
			if (valName() == false)
			{
				flagerror = 1;
			}
		}

		if (flagerror == 1)
		{
			errormessage = errormessage + "\n\n Thank You.";
			alert(errormessage);
			alreadySubmited = false;
			leaving=0;
			return false;
		}
		else
		{
			leaving=0;
			return true;
		}
	}
	return false;
}

function valEmail()
{
	var emailerror = 0;

	if (document.jumpform.email.value == ""){
		errormessage = errormessage + "\n Please input your email address.";
		emailerror = 1;
	}
	else{
		var emailPat=/^(.+)@(.+)$/;
		var specialChars="\\(\\)<>@,;:{}`~'?!#$/|%^&*=+\\\\\\\"\\.\\[\\]";
		var validChars="\[^\\s" + specialChars + "\]";
		var firstChars=validChars;
		var quotedUser="(\"[^\"]*\")";
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
		var atom="(" + firstChars + validChars + "*" + ")";
		var word="(" + atom + "|" + quotedUser + ")";
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
		var emailadd=new String(document.jumpform.email.value);
		var matchArray=emailadd.match(emailPat);
		if (matchArray == null) {
			errormessage = errormessage + "\n Email address seems incorrect (check @ and .'s)";
			emailerror = 1;
		}
		else {
			var user=matchArray[1];
			var domain=matchArray[2];
			if (user.match(userPat)==null) {
				errormessage = errormessage + "\n The email entered doesn't seem to be valid, please enter your correct email address.";
				emailerror = 1;
			}
			var IPArray=domain.match(ipDomainPat);
			if (IPArray!=null) {
				  for (var i=1;i<=4;i++) {
				    if (IPArray[i]>255) {
						errormessage = errormessage + "\n Destination IP address is invalid!";
						emailerror = 1;
				    }
			    }
			}
			var domainArray=domain.match(domainPat);
			if (domainArray==null) {
				errormessage = errormessage + "\n The email entered doesn't seem to be valid, please enter your correct email address.";
				emailerror = 1;
			}
			var atomPat=new RegExp(atom,"g");
			var domArr=domain.match(atomPat);
			var len=domArr.length;
			if (domArr[domArr.length-1].length<2 ||
			    domArr[domArr.length-1].length>3) {
				errormessage = errormessage + "\n The address must end in a three-letter domain, or two letter country.";
				emailerror = 1;
			}
				if (domArr[domArr.length-1].length==3 && len<2) {
				errormessage = errormessage + "\n This address is missing a hostname!";
				emailerror = 1;
			}
		}
	}

	if (emailerror == 1)
	{
		return false;
	}

	return true;
}

function valCellPhone()
{
	var phoneerror = 0;

	if (document.jumpform.cphone1.value == "")
	{
		errormessage = errormessage + "\n Please input your Phone Number.";
		phoneerror = 1;
	}
	else if (document.jumpform.cphone1.value.length < 3)
	{
		errormessage = errormessage + "\n Please input your complete Phone Number.";
		phoneerror = 1;
	}

	if (phoneerror == 0)
	{
		if (document.jumpform.cphone2.value == "")
		{
			errormessage = errormessage + "\n Please input your Phone Number.";
			phoneerror = 1;
		}
		else if (document.jumpform.cphone2.value.length < 3)
		{
			errormessage = errormessage + "\n Please input your complete Phone Number.";
			phoneerror = 1;
		}
	}

	if (phoneerror == 0)
	{
		if (document.jumpform.cphone3.value == "")
		{
			errormessage = errormessage + "\n Please input your Phone Number.";
			phoneerror = 1;
		}
		else if (document.jumpform.cphone3.value.length < 4)
		{
			errormessage = errormessage + "\n Please input your complete Phone Number.";
			phoneerror = 1;
		}
	}

	if (phoneerror == 0)
	{
		var s1 = new String();
		var s2 = new String();
		var s3 = new String();
		var numbers = new RegExp ("[^0-9]","ig");
		s1 = document.jumpform.cphone1.value;
		s2 = document.jumpform.cphone2.value;
		s3 = document.jumpform.cphone3.value;
		result1 = s1.search(numbers);
		result2 = s2.search(numbers);
		result3 = s3.search(numbers);
		if (result1 != -1)
		{
			errormessage = errormessage + "\n Your Phone Number can only contain numbers.";
			phoneerror = 1;
		}
		else if (result2 != -1)
		{
			errormessage = errormessage + "\n Your Phone Number can only contain numbers.";
			phoneerror = 1;
		}
		else if (result3 != -1)
		{
			errormessage = errormessage + "\n Your Phone Number can only contain numbers.";
			phoneerror = 1;
		}
	}

	if (phoneerror == 1)
	{
		return false;
	}

	return true;
}

function valCellPhoneAU()
{
	var phoneerror = 0;

	if (document.jumpform.numero2.value == "")
	{
		errormessage = errormessage + "\n Please input your Mobile Number.";
		phoneerror = 1;
	}
	else if (document.jumpform.numero2.value.length < 9)
	{
		errormessage = errormessage + "\n Please input your complete Mobile Number.";
		phoneerror = 1;
	}
	else if (true == isNaN(document.jumpform.numero2.value))
	{
		errormessage = errormessage + "\n Your Phone Number can only contain numbers.";
		phoneerror = 1;
	}

	if (phoneerror == 1)
	{
		return false;
	}

	return true;
}

function valCarrierAU()
{
	var carriererror = 0;

	if (document.jumpform.Carrier.value == "")
	{
		errormessage = errormessage + "\n Please select your carrier.";
		carriererror = 1;
	}
	else
	{
		if (document.jumpform.Carrier.value == "0")
		{
			alert("We're sorry, your carrier is not supported and therefore not elligible for this offer.");
			return true;
		}
	}

	if (carriererror == 1)
	{
		return false;
	}

	return true;
}

var strOptinMsg = "";
function valOptin()
{
	if (strOptinMsg == "")
	{
		strOptinMsg = "You must agree to the terms and conditions to proceed.";
	}
	/*try
	{
		if (typeof(window["foobar"]) != "undefined" && window["foobar"] !== undefined)
		{
			var strOptinMsg = foobar;
		}
		else
		{
			var strOptinMsg = "You must agree to the terms and conditions to proceed.";
		}
	}
	catch (e)
	{
		strOptinMsg = "You must agree to the terms and conditions to proceed.";
	}*/

	if (document.jumpform.agree.checked == false)
	{
		errormessage = errormessage + "\n " + strOptinMsg;
		return false;
	}
	return true;
}

function valName()
{
	if (document.jumpform.gender.value == "")
	{
		errormessage = errormessage + "\n Please select a gender.";
		return false;
	}
	if (document.jumpform.firstname.value == "")
	{
		errormessage = errormessage + "\n Please input your first name.";
		return false;
	}
	if (document.jumpform.lastname.value == "")
	{
		errormessage = errormessage + "\n Please input your last name.";
		return false;
	}
	return true;
}

function valAstSign()
{
	if (document.jumpform.AstSign.value == "")
	{
		errormessage = errormessage + "\n Please select your sign.";
		return false;
	}
	return true;
}

function checkfield(fieldname, fieldlabel, acceptonly)
{
	var s = new String();
	var characters = new RegExp("[^A-Za-z .'-]", "ig");
	var numbers = new RegExp("[^0-9]", "ig");
	var numchar = new RegExp("[^0-9-^A-Za-z .'-]", "ig");
	s = document.jumpform[fieldname].value;
	var result = s.search(eval(acceptonly));
	if (result != -1)
	{
		if (acceptonly == "numchar")
		{
			msg = fieldlabel + " can only contain numbers and characters.";
		}
		else if  (acceptonly == "numbers")
		{
			msg = fieldlabel + " can only contain numbers.";
		}
		else
		{
			msg = fieldlabel + " can only contain characters.";
		}
		document.jumpform[fieldname].value = s.replace(eval(acceptonly), "");
		alert(msg);
	}
}

function TabNext(obj, len, next_field)
{
	if (obj.value.length == len)
	{
		next_field.focus();
	}
}