// JavaScript Document: validation
// Date Created: 03/2004~
// Last Modified: 12/23/2004

// contactFormValidation() Validate Contact Form
function contactFormValidation() {
var form = document.form1;
   var returnValue = false;

	if (form.FirstName.value == "")	{
		alert("Please enter your first name.");
		form.FirstName.focus();
	} else if (form.LastName.value == "") {
		alert("Please enter your last name.");
		form.LastName.focus();
	} else if (form.Company.value == "") {
		alert("Please enter your company name.");
		form.Company.focus();
	} else if (form.Phone.value == "") {
		alert("Please enter your day phone number.");
		form.Phone.focus();
	} else if (form.Email.value == "") {
		alert("Please enter your Email address.");
		form.Email.focus();
	} else if (form.Subject.value == "") {
		alert("Please enter a subject for your message.");
		form.Subject.focus();
	} else if (form.Message.value == "") {
		alert("Please enter your message.");
		form.Message.focus();
	} else {
		returnValue = true;
	}
	return returnValue;
}

// Validate Email text box
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 +")*$");
	var matchArray = emailStr.match(emailPat);
	if (emailStr == "") {
		return true;
	}
	if (matchArray == null) {
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user = matchArray[1];
	var domain = matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("Ths username contains invalid characters.");
			return false;
   		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("Ths domain name contains invalid characters.");
			return false;
   		}
	}
	if (user.match(userPat) == null) {
		alert("The username doesn't seem to be valid.");
		return false;
	}
	var IPArray = domain.match(ipDomainPat);
	if (IPArray != null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i] > 255) {
				alert("Destination IP address is invalid!");
				return false;
   			}
		}
	return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat) == -1) {
			alert("The domain name does not seem to be valid.");
			return false;
	  	}
	}
	if (checkTLD && domArr[domArr.length-1].length !=2 && domArr[domArr.length-1].search(knownDomsPat) == -1) {
		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}
	if (len<2) {
		alert("This address is missing a hostname!");
		return false;
	}
	return true;
}

// Validate Number type boxes
function numBox(input, len, inputName) {
	if (isNaN(input.value)) {
		alert("Please enter digits in this field only.\nNo alphabetical or special characters are allowed in this field.");
		return false;
	} else if (input.value.length > 0 && input.value.length < len) {
		alert(inputName + " must be " + len + " digits long.");
		return false;
	} 
	return true;
}

// Autotab
var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab (input, len, e, inputName) {
	var keyCode = (isNN) ? e.which : e.keyCode; 
	var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
	if (input.value.length >= len && !containsElement(filter,keyCode)) {
		if (inputName) {
			if (inputName == "State") {
				input.value = input.value.toUpperCase();
				input.value = input.value.slice(0, len);
				input.form[(getIndex(input)+1) % input.form.length].focus();
			} else {
				var validEntry = numBox (input, len, inputName);
				if (!validEntry) {
					input.focus();
				} else {
					input.value = input.value.slice(0, len);
					input.form[(getIndex(input)+1) % input.form.length].focus();
				}
			}
		} else {
		input.value = input.value.slice(0, len);
		input.form[(getIndex(input)+1) % input.form.length].focus();
		}
	}
	function containsElement(arr, ele) {
		var found = false, index = 0;
		while(!found && index < arr.length)
		if(arr[index] == ele)
		found = true;
		else
		index++;
		return found;
	}
	function getIndex(input) {
		var index = -1, i = 0, found = false;
		while (i < input.form.length && index == -1)
		if (input.form[i] == input)index = i;
		else i++;
		return index;
	}
	return true;
}

// Clean text fields onSubmit event
function cleanText() {
	var form = document.form1;
	var cleanTxt;
		
	for (var i = 0; i < form.length ; i++) {
		if (form[i].type == "text" || form[i].type == "textarea") {
			cleanTxt = form[i].value;
			cleanTxt = cleanTxt.replace("'","’");
			form[i].value = cleanTxt;			
		}
	}
	return true;
}