// JavaScript Document

function validateForm(contact_form){

var error = "";
	if(document.forms['contact_form'].elements.f_name.value == ""){
		error += "First Name\n";
	}
	if(document.forms['contact_form'].elements.l_name.value == ""){
		error += "Last Name\n";
	}
	if(document.forms['contact_form'].elements.email.value == ""){
		error += "Email Address\n";
	} else if (!emailCheck(document.forms['contact_form'].elements.email.value)){
		error += "Email Address does not appear to be valid!\n";
	}
	 if(document.forms['contact_form'].elements.code.value == ""){
		error += "Please enter the letters and/or numbers in the image.\n";
		document.forms['contact_form'].elements.code.value = "";
	}
	if (error){
		alert("Please fill in:\n" +error);
		return false;
	}else{
		return true;
	}
}

function validateNewsletter(contact_form){

var error = "";
	if(document.forms['newsletter'].elements.name.value == "" || document.forms['newsletter'].elements.name.value == "Name"){
		error += "Name\n";
	}
	if(document.forms['newsletter'].elements.email.value == "" || document.forms['newsletter'].elements.email.value == "Email"){
		error += "Email Address\n";
	} else if (!emailCheck(document.forms['newsletter'].elements.email.value)){
		error += "Email Address does not appear to be valid!\n";
	}
	 if(document.forms['newsletter'].elements.verify.value == "" || document.forms['newsletter'].elements.verify.value != "orange" || document.forms['newsletter'].elements.verify.value == "Color of an Orange?"){
		error += "You must answer the 'orange' question to submit this form.\n";
		document.forms['contact_form'].elements.verify.value = "";
	}
	if (error){
		alert("Please fill in:\n" +error);
		return false;
	}else{
		return true;
	}
}

function validatePayment(payment_form){

var error = "";
	if(document.forms['payment_form'].elements.invoice.value == ""){
		error += "Invoice Number\n";
	}
	if(document.forms['payment_form'].elements.cc_num.value == ""){
		error += "Credit Card Number\n";
	}
	if(document.payment_form.exp_month[document.payment_form.exp_month.selectedIndex].value == ""){
		error += "Expiration Month\n";
	}
	if(document.payment_form.exp_year[document.payment_form.exp_year.selectedIndex].value == ""){
		error += "Expiration Year\n";
	}
	if(document.forms['payment_form'].elements.amount.value == ""){
		error += "Amount\n";
	}
	if(document.forms['payment_form'].elements.f_name.value == ""){
		error += "First Name\n";
	}
	if(document.forms['payment_form'].elements.l_name.value == ""){
		error += "Last Name\n";
	}
	if(document.forms['payment_form'].elements.address.value == ""){
		error += "Address\n";
	}
	if(document.forms['payment_form'].elements.city.value == ""){
		error += "City\n";
	}
	if(document.forms['payment_form'].elements.zip.value == ""){
		error += "Zip\n";
	}
	if(document.forms['payment_form'].elements.state.value == ""){
		error += "State\n";
	}
	if(document.forms['payment_form'].elements.email.value == ""){
		error += "Email Address\n";
	} else if (!emailCheck(document.forms['payment_form'].elements.email.value)){
		error += "Email Address does not appear to be valid!\n";
	}
	if (error){
		alert("Please fill in:\n" +error);
		return false;
	}else{
		return true;
	}
}


////////////////EMAIL VALIDATION//////////////////////////////////

function emailCheck (emailStr) {

	var checkTLD=1;
	
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	
	var emailPat=/^(.+)@(.+)$/;
	
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	
	var validChars="\[^\\s" + specialChars + "\]";
	
	var quotedUser="(\"[^\"]*\")";
	
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	
	var atom=validChars + '+';
	
	var word="(" + atom + "|" + quotedUser + ")";
	
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	
	var matchArray=emailStr.match(emailPat);
	
	if (matchArray==null) {
	return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			return false;
		}
	}
	if (user.match(userPat)==null) {
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
		
			return false;
		   }
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			return false;
	   }
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		return false;
	}
	if (len<2) {
		return false;
	}
return true;
}

/////////////////END EMAIL VALIDATION//////////////////////////////