function formValidator(){
	// Make quick references to our fields
	var fname = document.getElementById('fname');
	var lname = document.getElementById('lname');	
	var email = document.getElementById('email');	
	var phone = document.getElementById('phone');	
	
	// Check each input in the order that it appears in the form!
	if(noFname(fname, "Please enter your first name!")){
	if(noLname(lname, "Please enter your last name!")){	
		if(emailValidator(email, "Please enter a valid email address!")){
			if(isNumeric(phone, "Please enter numbers only!")){	
			return true;
			}
		}
	}
	}
	
	
	return false;
	
}



function noFname(elem, helperMsg){
	if(elem.value == "First Name"){
		alert(helperMsg);
		elem.focus();
		return false;
	}else{
		return true;
	}
}

function noLname(elem, helperMsg){
	if(elem.value == "Last Name"){
		alert(helperMsg);
		elem.focus();
		return false;
	}else{
		return true;
	}
}


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

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

function isAlphabet(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 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;
	}
}