/* *********************************************
FORM VALIDATION ::: CONTACT US
********************************************* */
function formValidatorContact(){
	// Make quick references to our fields
	var name = document.getElementById('field-name');
	var email = document.getElementById('field-email');
	var phonenumber = document.getElementById('field-phone');
	var typeofproject = document.getElementById('field-project-type');
	var citystatezip = document.getElementById('field-city-state-or-zip');
	
	// Check each input in the order that it appears in the form!
	if(notEmpty(name, "Please enter a valid Name.")){
		if(notEmpty(email, "Please enter a valid E-mail.")){
			if(emailValidator(email, "Please enter a valid E-mail.")){
				if(notEmpty(phonenumber, "Please enter a valid Phone Number.")){
					if(notEmpty(typeofproject, "Please enter a valid Type Of Project.")){
						if(notEmpty(citystatezip, "Please enter a valid City, State OR Zip.")){
							return true;
						}
					}
				}
			}
		}
	}
	return false;
}


/* *********************************************
FORM VALIDATION ::: CORE FUNCTIONS
********************************************* */
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 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;
	}
}

function notMatch(elemA, elemB, helperMsg){
	if(elemA.value != elemB.value){
		alert(helperMsg);
		elemA.focus(); // set the focus to this input
		return false;
	}
	return true;
}