function formValidator(){
	// Make quick references to our fields
	var firstname = document.getElementById('Name');
	var addr = document.getElementById('Address');
	var email = document.getElementById('Email');
	
	// Check each input in the order that it appears in the form!
	if(isAlphabet(firstname, "Please enter your name")){
		if(emailValidator(email, "Please enter a valid email address")){
			if(isAlphanumeric(addr, "Please enter your address")){
				return true;
			}
		}
	}
	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 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;
	}
}