function formValidator(){
	// Make quick references to our fields
	var firstname = document.getElementById('firstname');
	var lastname = document.getElementById('lastname');
	// var addr = document.getElementById('addr');
	// var zip = document.getElementById('zip');
	// var state = document.getElementById('state');
	var phone = document.getElementById('phone');
	var email = document.getElementById('email');
	
	// Check each input in the order that it appears in the form!
	if(isFirstAlphabet(firstname, "Please enter your first name. Special characters and spaces are not allowed.")){
		 if(isLastAlphabet(lastname, "Please enter your last name. Special characters and spaces are not allowed.")){
			 // if(isAlphanumeric(addr, "Please enter your address")){
				 // if(isNumeric(zip, "Please enter a valid zip code")){
					 // if(madeSelection(state, "Please Choose a State")){
						if(isNumeric(phone, "Please enter a valid phone number. Special characters and spaces are not allowed.")){
							if(emailValidator(email, "Please enter a valid email address")){
							return true;
						//}
					//}
				}
			}
		}
	}
	
	
	return false;
	
}

function isEmpty(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus(); // set the focus to this input
		return true;
	}
	return false;
}

function isNumeric(elem, helperMsg){
	var numericExpression = /^[0-9]+$/;
	if(elem.value.match(numericExpression)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isFirstAlphabet(elem, helperMsg){
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isLastAlphabet(elem, helperMsg){
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

/*function isAlphanumeric(elem, helperMsg){
	var alphaExp = /^[0-9a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}*/

function lengthRestriction(elem, min, max){
	var uInput = elem.value;
	if(uInput.length >= min && uInput.length <= max){
		return true;
	}else{
		alert("Please enter between " +min+ " and " +max+ " characters");
		elem.focus();
		return false;
	}
}

function madeSelection(elem, helperMsg){
	if(elem.value == "Please Choose"){
		alert(helperMsg);
		elem.focus();
		return false;
	}else{
		return true;
	}
}

function emailValidator(elem, helperMsg){
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}