var monthLength = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	function checkDate(form,name) {

		var x = form.elements;
		var day = parseInt(x[name+"_day"].options[x[name+"_day"].selectedIndex].value);
		var month = parseInt(x[name+"_month"].options[x[name+"_month"].selectedIndex].value);
		var year = parseInt(x[name+"_year"].options[x[name+"_year"].selectedIndex].value);

		if (!day || !month || !year)
			return false;

		if (year/4 == parseInt(year/4))
			monthLength[1] = 29;

		if (day > monthLength[month-1])
			return false;

		monthLength[1] = 28;

		var now = new Date();
		now = now.getTime(); //NN3

		var dateToCheck = new Date();
		dateToCheck.setYear(year);
		dateToCheck.setMonth(month-1);
		dateToCheck.setDate(day);
		var checkDate = dateToCheck.getTime();

		var futureDate = (now < checkDate);
		var pastDate = (now > checkDate);

		return true;
	}

	function validate_simpleCheckEmail(email){
			//add new domains to this array when they are available
			var validDomainArray = new Array("de", "com", "edu", "org", "net", "gov", "tv","info", "name");
			//parse domain out of email without . at beginning
			var domain = email.substring( email.lastIndexOf(".") + 1, email.length );

			//don't allow empty fields
			if( email == "" ) return false;

			//basic format checking
		 	if (email.indexOf("@") <= 0 || 	// @ symbol found at least once and not first char
				email.indexOf(".") <= 0 ||	// . symbol found at least once and not first char
			 	email.indexOf(' ') != -1 	// no spaces found in address
			) return false;


			//check for a valid domain at end of address
			for( var i = 0; i < validDomainArray.length; i++ )
				if( validDomainArray[i] == domain ) return true;
			alert('Please provide a valid email address to begin.');

			return false;	//invalid address if processing gets here
		}

	function validate_checkEmail(email) {
	 // code from: http://webreference.com/js/column5/workaround.html
		if (window.RegExp) {
			var invalidPattern = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
			var validPattern = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";

			var reg1 = new RegExp(invalidPattern);
			var reg2 = new RegExp(validPattern);

			//if email does not match the invalid pattern and does match the valid pattern then return true
			if (!reg1.test(email) && reg2.test(email)) return true;

			alert('Please provide a valid email address to begin.');
			return false;
		}
		//browser doesn't support RegExp object so call simple email validation script
		return validate_simpleCheckEmail(email);
	}

	function verify_demo(form) {

		if ( form.first_name && form.first_name.value.length < 2 ) {
			alert("Please provide a first name.");
			form.first_name.focus();
			return false;
		}
		if ( form.first_name && form.first_name.value.length > 30 ) {
			alert("Please provide a first name under 30 characters.");
			form.first_name.focus();
			return false;
		}
		if ( form.first_name && /[^A-Za-z\'\-\ ]/.test(form.first_name.value) ){
			alert("First name can only contain alpha characters, hyphens, apostrophes or spaces.");
			form.first_name.focus();
			return false;
		}

		if ( form.last_name && form.last_name.value.length < 2 ) {
			alert("Please provide a last name.");
			form.last_name.focus();
			return false;
		}
		if ( form.last_name && form.last_name.value.length > 30 ) {
			alert("Please provide a last name under 30 characters.");
			form.last_name.focus();
			return false;
		}
		if ( form.last_name && /[^A-Za-z\'\-\ ]/.test(form.last_name.value) ){
			alert("Last name can only contain alpha characters, hyphens, apostrophes or spaces.");
			form.last_name.focus();
			return false;
		}
		if ( form.email && !form.email.value.length ) {
			alert("Please enter your email address");
			form.email.focus();
			return false;
		}

		if ( form.email && !validate_checkEmail(form.email.value) ) {
			form.email.focus();
			return false;
		}

		if ( form.address && form.address.value.length < 5 ) {
			alert("Please provide an address.");
			form.address.focus();
			return false;
		}

		if ( form.address && form.address.value.length > 40 ) {
			alert("Address must be less than 40 characters.");
			form.address.focus();
			return false;
		}

		if ( form.city && form.city.value.length < 2 ) {
			alert("Please provide a city.");
			form.city.focus();
			return false;
		}

		if ( form.city && form.city.value.length > 50 ) {
			alert("City must be less than 50 characters..");
			form.city.focus();
			return false;
		}

		if ( form.state && form.state.options && form.state.options[0].selected == true ) {
			alert("Please choose a state.");
			form.state.focus();
			return false;
		}
		if ( form.zip && !form.zip.value.length ) {
			alert("Please provide a postal code.");
			form.zip.focus();
			return false;
		}
		if ( form.zip && (form.zip.value.length < 5 || isNaN(form.zip.value)) ) {
			alert("Please provide a valid 5 digit US zip code.\n\nAt this time, MemoLink does not accept registrations outside of the US.");
			form.zip.focus();
			return false;
		}

		if ( form.password && !form.password.value.length ) {
			alert("Please create a password.");
			form.password.focus();
			return false;
		}
		if ( form.password2 && ( !form.password2.value.length || form.password.value != form.password2.value ) ) {
			alert("Your password and confirm password values do not match.");
			form.password2.focus();
			return false;
		}

		if ( form.phone_areacode && (form.phone_areacode.value.length || form.phone_exchange.value.length || form.phone_last4digits.value.length) ) {
			if (isNaN(form.phone_areacode.value) || isNaN(form.phone_exchange.value) || isNaN(form.phone_last4digits.value) ){
				alert("phone number must contain only 0-9.");
				form.phone_areacode.focus();
				return false;
			}
			if (form.phone_areacode.value.length < 3 || form.phone_exchange.value.length < 3 || form.phone_last4digits.value.length < 4) {
				alert("Phone number is incomplete");
				form.phone_areacode.focus();
				return false;
			}
		}

		if ( form.birth_month ) {
			if (form.birth_year.options[form.birth_year.selectedIndex].value == 0 || form.birth_month.options[form.birth_month.selectedIndex].value == 0 || form.birth_day.options[form.birth_day.selectedIndex].value == 0) {
				alert('Please provide your birthday.');
				form.birth_month.focus();
				return false;
			}
			if (form.birth_year.options[form.birth_year.selectedIndex].value >= 1990) {
				if ( form.birth_month.options[form.birth_month.selectedIndex].value > 5 ) {
					alert("You must be 18 years or older to participate.\n\nPlease review our Terms and Conditions for full details on MustHaveFreeGifts\' membership policy.");
					form.birth_month.focus();
					return false;
				}
				if ( form.birth_month.options[form.birth_month.selectedIndex].value == 5 )
					if ( form.birth_day.options[form.birth_day.selectedIndex].value > 13)  {
						alert("You must be 18 years or older to participate.\n\nPlease review our Terms and Conditions for full details on MustHaveFreeGifts\' membership policy.");
						form.birth_month.focus();
						return false;
					}
			}

			var dateExists = checkDate(form, 'birth');
			if (!dateExists)
			{
				alert('You have entered an invalid date');
				form.birth_month.focus();
				return false;
			}
		}

		form.submit();
		return true;
	}