//CHECK FIELDS

function checkFields(formObj)
{
	if (!checkName(formObj)) { return false; };
	if (!checkAddress(formObj)) { return false; };
	if (!checkCity(formObj)) { return false; };
	if (!checkState(formObj)) { return false; };
	if (!checkZIP(formObj)) { return false; };
	if (!checkPhone(formObj)) { return false; };
	if (!checkEmail(formObj)) { return false; };
	if (!checkFile(formObj)) { return false; };
	div_toggle(uploadprogress);
}

function checkFieldsQuote(formObj)
{
	if (!checkName(formObj)) { return false; };
	if (!checkAddress(formObj)) { return false; };
	if (!checkCity(formObj)) { return false; };
	if (!checkState(formObj)) { return false; };
	if (!checkZIP(formObj)) { return false; };
	if (!checkPhone(formObj)) { return false; };
	if (!checkEmail(formObj)) { return false; };
}

function checkFieldsUpload(formObj)
{
	if (!checkName(formObj)) { return false; };
	if (!checkPhone(formObj)) { return false; };
	if (!checkEmail(formObj)) { return false; };
	if (!checkFile(formObj)) { return false; };
	div_toggle(uploadprogress);
}

function checkFieldsSendFile(formObj)
{
	if (!checkInvoiceEstimate(formObj)) { return false; };
	if (!checkName(formObj)) { return false; };
	if (!checkPhone(formObj)) { return false; };
	if (!checkEmail(formObj)) { return false; };
	if (!checkFile(formObj)) { return false; };
}

function checkFieldsContact(formObj)
{
	if (!checkName(formObj)) { return false; };
	if (!checkPhone(formObj)) { return false; };
	if (!checkEmail(formObj)) { return false; };
	if (!checkDescription(formObj)) { return false; };
}

//MODULAR FUNCTIONS

function checkInvoiceEstimate(formObj){
	
	var invAlert = "\nPlease contact a CSR for your invoice or estimate number.\n\n*This form is for existing orders or estimates ONLY*\n\nPlease click on Order Now if you are placing a new order.";

    var invoice_estimate = formObj.invoice_estimate.value;
	var parsed = true;
	var validchars = '1234567890';

	for (var i=0; i < invoice_estimate.length; i++) {
		var letter = invoice_estimate.charAt(i).toLowerCase();
		if (validchars.indexOf(letter) != -1)
		  continue;
		alert( invAlert );
		parsed = false;
		formObj.invoice_estimate.focus();
		formObj.invoice_estimate.select();
		return false;
		break;
	  } 
	
	if (formObj.invoice_estimate.value.length < 4 || formObj.invoice_estimate.value.length > 6 || formObj.invoice_estimate.value < 9500 || formObj.invoice_estimate.value > 310000){
		alert( invAlert );
		formObj.invoice_estimate.focus();
		formObj.invoice_estimate.select();
		return false;
	} else {
		return true;
	}
}

function checkName(formObj){
	if (formObj.name.value.length == 0){
		alert("\nPlease enter your full name.");
		formObj.name.focus();
		formObj.name.select();
		return false;
	} else {
		return true;
	}
}

function checkAddress(formObj){
	if (formObj.address.value.length == 0){
		alert("\nPlease enter your address.");
		formObj.address.focus();
		formObj.address.select();
	} else {
		return true;
	}
}

function checkCity(formObj){
	if (formObj.city.value.length == 0){
		alert("\nPlease enter your city.");
		formObj.city.focus();
		formObj.city.select();
	} else {
		return true;
	}
}

function checkState(formObj){
	if (formObj.state.value.length < 2){
		alert("\nPlease use a two letter state code.");
		formObj.state.focus();
		formObj.state.select();
	} else {
		return true;
	}
}

function checkZIP(formObj){
	if (formObj.zip.value.length < 5){
		alert("\nPlease enter your zip code.");
		formObj.zip.focus();
		formObj.zip.select();
	} else {
		return true;
	}
}

function checkPhone(formObj){
	if (formObj.phone.value.length < 7 ){
		alert("\nPlease enter your phone number.");
		formObj.phone.focus();
		formObj.phone.select();
	} else {
		return true;
	}
}

function checkEmail(formObj){
	if (formObj.email.value.length == 0){
		alert("\nPlease enter your E-Mail address.");
		formObj.email.focus();
		formObj.email.select();
	} else if ((formObj.email.value.length != 0) && (formObj.email.value.indexOf("@")==-1 || formObj.email.value.indexOf(".")==-1 || formObj.email.value.indexOf(" ")!=-1 || formObj.email.value.length<7)){
		alert("\nSorry, your email address is not valid.");
		formObj.email.focus();
		formObj.email.select();
	} else {
		return true;
	}
}

function checkFile(formObj){
    var filename = formObj.filename.value;
    var filenameArray = filename.split(".");
    var extension = filenameArray[filenameArray.length-1].toLowerCase();
	var parsed = true;
	var validchars = 'abcdefghijklmnopqrstuvwxyz1234567890.-_/ #\\:';

	for (var i=0; i < filename.length; i++) {
		var letter = filename.charAt(i).toLowerCase();
		if (validchars.indexOf(letter) != -1)
		  continue;
		alert("Your file contains invalid characters ('" + letter + "'). Please rename it and try again.");
		parsed = false;
		formObj.filename.focus();
		formObj.filename.select();
		return false;
		break;
	  } 
	  
	if (extension == "php" || extension == "asp" || extension == "exe"){
		alert("\nSorry, we do not accept this kind of file.");
		formObj.filename.focus();
		formObj.filename.select();
	} else if (formObj.filename.value.length == 0){
		alert("\nPlease select a file to send.");
		formObj.filename.focus();
	} else {
		return true;
	}
}

function checkDescription(formObj){
	if (formObj.description.value.length == 0 || formObj.description.value =="Enter your message here."){
		alert("\nPlease enter a message.");
			formObj.description.focus();
			formObj.description.select();
		}
	else {
		return true;
		}
}

function div_toggle(div_id)
{
	if (div_id.style.display == "none")
	{
	div_id.style.display = "";
	}
else
	{
	div_id.style.display = "none";
	}
}