// form validation functions
function ValidateComments(form) {

	if (form.header.value.length < 1) {
		alert("Please fill in the header!");
		form.header.focus();
		return false;
	}
	
	if (form.comments.value.length < 1) {
		alert("Please fill in the comments!");
		form.comments.focus();
		return false;
	}
	
	return true;

}

function ValidateOrder(form) {

	if (form.name.value.length < 1) {
		alert("Please fill in your name!");
		form.name.focus();
		return false;
	}
	
	if (form.surname.value.length < 1) {
		alert("Please fill in your surname!");
		form.surname.focus();
		return false;
	}
	
	if (form.address1.value.length < 1) {
		alert("Please fill in your address!");
		form.address1.focus();
		return false;
	}
	
	if (form.city.value.length < 1) {
		alert("Please fill in your city!");
		form.city.focus();
		return false;
	}
	
	if (form.zipcode.value.length < 1) {
		alert("Please fill in your zip code!");
		form.zipcode.focus();
		return false;
	}
	
	if (!ValidEmail(form.email.value)) {
		alert("Please fill in a valid email address!");
		form.email.focus();
		return false;
	}
	
	return true;

}

function ValidateWinner(form) {

	if (form.name.value.length < 1) {
		alert("Please fill in a name!");
		form.name.focus();
		return false;
	}
	
	if (form.country.value.length < 1) {
		alert("Please fill in a country or city!");
		form.country.focus();
		return false;
	}
	
	if (form.casino.value.length < 1) {
		alert("Please fill in the casino!");
		form.casino.focus();
		return false;
	}
	
	if (form.amount.value.length < 1) {
		alert("Please fill in the amount!");
		form.amount.focus();
		return false;
	}
	
	return true;

}

function ValidateSubscribe(form) {

	if (form.name.value.length < 1) {
		alert("Please fill in your name!");
		form.name.focus();
		return false;
	}
	
	if (form.surname.value.length < 1) {
		alert("Please fill in your surname!");
		form.surname.focus();
		return false;
	}
	
	if (!ValidEmail(form.email.value)) {
		alert("Please fill in a valid email address!");
		form.email.focus();
		return false;
	}
	
	return true;

}

function ValidatePassword(form) {

	if (form.password.value.length < 1) {
		alert("Your password cannot be blank!");
		form.password.focus();
		return false;
	}
	
	if (form.password.value != form.confirm.value) {
		alert("Please confirm your password!");
		form.confirm.focus();
		return false;
	}
	
	return true;

}

function ValidateNews(form) {

	if (form.header.value.length < 1) {
		alert("Please fill in the news header!");
		form.header.focus();
		return false;
	}
	
	if (form.content.value.length < 1) {
		alert("Please fill in the news content!");
		form.content.focus();
		return false;	
	}
	
	return true;

}

function ValidateAdmin(form) {

	if (!ValidEmail(form.mailfrom.value)) {
		alert("Please fill in a valid email address!");
		form.mailfrom.focus();
		return false;
	}
	
	if (form.mailsubject.value.length < 1) {
		alert("Please fill in the mail subject!");
		form.mailsubject.focus();
		return false;
	}
	
	if (form.templateurl.value.length < 1) {
		alert("Please select a template!");
		return false;
	}
	
	return true;

}

function ValidateList(form) {

	if (!ValidEmail(form.email.value)) {
		alert("Please fill in a valid email address!");
		form.email.focus();
		return false;
	}
	
	return true;

}

function ValidateFriend(form) {

	if (form.byname.value.length < 1) {
		alert("Please fill in your name!")
		form.byname.focus();
		return false;
	}
	
	if (!ValidEmail(form.byemail.value)) {
		alert("Please fill in a valid email address!");
		form.byemail.focus();
		return false;
	}
	
	if (form.byrealno.value.length < 1) {
		alert("Please fill in your account number!")
		form.byrealno.focus();
		return false;
	}
	
	if (form.friendname1.value.length < 1) {
		alert("You have to refer at least one friend!");
		form.friendname1.focus();
		return false;
	}
	
	if (!ValidEmail(form.friendemail1.value)) {
		alert("Please fill in a valid email address!")
		form.friendemail1.focus();
		return false;
	}
	
	if (form.friendname2.value.length > 1 && !ValidEmail(form.friendemail2.value)) {
		alert("Please fill in a valid email address!");
		form.friendemail2.focus();
		return false;
	}
	
	if (form.friendname3.value.length > 1 && !ValidEmail(form.friendemail3.value)) {
		alert("Please fill in a valid email address!");
		form.friendemail3.focus();
		return false;
	}
	
	if (form.friendname4.value.length > 1 && !ValidEmail(form.friendemail4.value)) {
		alert("Please fill in a valid email address!");
		form.friendemail4.focus();
		return false;
	}
	
	if (form.friendname5.value.length > 1 && !ValidEmail(form.friendemail5.value)) {
		alert("Please fill in a valid email address!");
		form.friendemail5.focus();
		return false;
	}
	
	return true;

}

function ValidateFriendAdmin(form) {

	if (!ValidEmail(form.msgfrom.value)) {
		alert("Please type a valid email address!");
		form.msgfrom.focus();
		return false;
	}
	
	if (form.msgsubject.value.length < 1) {
		alert("Please type an email subject!");
		form.msgsubject.focus();
		return false;
	}
	
	if (form.msgbody.value.length < 1) {
		alert("Please type a message body!");
		form.msgbody.focus();
		return false;
	}
	
	return true;

}

function ValidateCompAdmin(form) {

	if (form.title.value.length < 1) {
		alert("Please type a competition title!");
		form.title.focus();
		return false;
	}
	
	if (form.description.value.length < 1) {
		alert("Please type a competition description!");
		form.description.focus();
		return false;
	}

}

function ValidateComp(form) {

	if (form.name.value.length < 1) {
		alert("Please fill in your name!");
		form.name.focus();
		return false;
	}
	
	if (!ValidEmail(form.email.value)) {
		alert("Please fill in a valid email address!");
		form.email.focus();
		return false;
	}
	
	return true;

}

// validate a date
function ValidDate(date) {

	var dateparts;
	dateparts = date.split('/');
	
	if (date.length < 8 ||
		dateparts.length < 3)
		
		return false;
	else {
	
		if (isNaN(dateparts[0]) ||
			isNaN(dateparts[1]) ||
			isNaN(dateparts[2]) ||
			dateparts[0].length != 4 ||
			dateparts[1] > 12 ||
			dateparts[2] > 31)
			
			return false;	
	}
	return true;

}

// validate an email address
function ValidEmail(email) {

	if (email.length < 3 ||
		email.indexOf('@') == -1 ||
		email.indexOf('.') == -1)
		
		return false;
	
	else
	
		return true;

}