browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion); 

if ( browser_version < 3.0)
	{
	roll = 'false';
	}
else
	{
	roll = 'true';
	}

	function msover(ref1,ref2)
	{
		if (roll == 'true')
		{
			document.images[ref1].src = ref2;
		}
	}
	
	function msout(ref1,ref2)
	{
		if (roll == 'true')
		{
			document.images[ref1].src = ref2;
		}
	}


function isEmpty(str) {
    return (!str || 0 === str.length);
}

var isNS = (navigator.appName == 'Netscape');

function validateSSN(form) {
	if ((form.SSN1.value.length != 3)||(form.SSN2.value.length != 2)||(form.SSN3.value.length != 4)) {
		 alert ('Must Enter 9 Digits for SSN.');
		 return false;
	} else {
		return true;
	}
}

function validate_keys(f) {
	for(var ii = 0; ii < f.length; ii++) {
        var ee = f.elements[ii];
				ee.numeric = false;
	}

	if (f.CoCountry.value == 'USA') {
		f.CoZip.numeric = true;
	}
	f.ConPhoneA.numeric = true;
	f.ConPhoneA.phone = true;
	f.ConPhoneA.digits = 3;
	f.ConPhoneP.numeric = true;
	f.ConPhoneP.phone = true;
	f.ConPhoneP.digits = 3;
	f.ConPhoneS.numeric = true;
	f.ConPhoneS.phone = true;
	f.ConPhoneP.digits = 4;
	f.ConFaxA.numeric = true;
	f.ConFaxA.phone = true;
	f.ConFaxA.digits = 3;
	f.ConFaxP.numeric = true;
	f.ConFaxP.phone = true;
	f.ConFaxP.digits = 3;
	f.ConFaxS.numeric = true;
	f.ConFaxS.phone = true;
	f.ConFaxS.digits = 4;
	f.ConPhoneE.optional = true;
	f.ConFaxA.optional = true;
	f.ConFaxP.optional = true;
	f.ConFaxS.optional = true;
	f.CoAddr2.optional = true;
	f.CoOther.optional = true;
}		



function isblank(s)
{
	var ErrMsg = "";
	if (!(s.value == null) && !(s.value == "")) {
		for(var i = 0; i < s.value.length; i++) {
			var c = s.value.charAt(i);
		  if ((c != ' ') && (c != '\n') && (c != '\t')) return false;
		}
	}
	else
	{

		return true;
	}
}

function IsNumeric(f, MinDigits) {

	if (f.value.length < MinDigits) return false;

	for (var i=0; i < f.value.length; i++) {
		var v = parseInt(f.value.charAt(i));
		if (isNaN(v)) return false;
	}
		
	return true;
}

function verify(f) 
{
    var valid = false;
    var msg;
    var empty_fields = "";
    var errors = "";

    for(var i = 0; i < f.length; i++) {
        var e = f.elements[i];
        if (((e.type == "text") || (e.type == "textarea")) && !e.optional) {
          
            if ((e == null) || (e == "") || isblank(e)) {
                empty_fields += "\n          " + e.title;
                continue;
            }

            
        }
    }

	if(f.CoType.selectedIndex == 0) {
		errors += "- Type of business must be selected.\n";
	}



 	if (!empty_fields && !errors) return true;

	if (!isNS) {

    msg  = "______________________________________________________\n\n";
    msg += "The form was not submitted because of the following error(s).\n";
    msg += "Please correct these error(s) and re-submit.\n";
    msg += "______________________________________________________\n\n";

    if (empty_fields) {
        msg += "- The following required field(s) are empty:" 
                + empty_fields + "\n";}
        if (errors) msg += "\n";

    msg += errors;
    alert(msg);
    return false;
    }  else {  
    msg = 'Please complete all required fields.  Phone and Fax fields must be numeric.';
	}
    alert(msg);
    return false;
}

function validatePhone(f){
    for(var i = 0; i < f.length; i++) {
        var e = f.elements[i];
        if (e.phone) {
        	if (e.value.length != e.digits) {
        	 alert ('Must Enter a 3 digit area code and 7 digit phone or fax number.');
		 return false;
	} else {
		return true;
	}   
    }
  }
}

function validateZip(f) {
	if (f.CoCountry.value == 'USA') {
		if (f.CoZip.value.length != 5) {
		alert ('Zip Code must be 5 digits');
		return false;
		} else {
		return true;
		}
	}
	return true;
}

function validateEmail(f) {
	var str = f.ConEmail.value;
	var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;	// not valid
	var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;		// valid
	if (!reg1.test(str) && reg2.test(str)) {		// if syntax is valid
		return true;
	} else {

	return true;
	}
}

function verifyEmail(f) {

	if (f.ConEmail.value != f.ConEmail2.value) {
		alert('The two email addresses do not match please re-enter');
		return false;
	} else {
	 	return true;
	 }
}

function validateChecked (f) {
  f.notify.optional = true;
    for(var i = 0; i < f.length; i++) {
        var e = f.elements[i];
        if ((e.type == "checkbox") && !e.optional) {
	    if (!e.checked) {
	    	alert('All boxes must be checked in order to proceed.');
	    	i = f.length;
		return false;
		}
	     }
	   }
return true;
}
	
function validateForm(f) {
    if ( verify(f) != true ) return false;
    if (validatePhone(f) != true) return false;
    if (validateZip(f) != true) return false;
    if (validateEmail(f) != true) return false;
    if (verifyEmail(f) != true) return false;
    if (emailCheck(f.ConEmail.value) != true) return false;
    if (emailCheck(f.ConEmail2.value) != true) return false;
    else return true;
}    

function getNext(sElem) {
 for( var i = 0; i < document.form1.elements.length; i++ ) {
  if( document.form1.elements[i].name == sElem.name ) return ( document.form1.elements[(i+1)]);
 }
}

function moveNext( sElem, max ) {
	if (sElem.value.length > max) {
	var nextElem = getNext(sElem);
	 	nextElem.focus();
		return;
	} else {
		return;
	}
}

var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) 
{
	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)) 
	{
		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;
}

function emailCheck (emailStr) 
{

	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 +")*$")

	emailStr = emailStr.trim();
	var matchArray=emailStr.match(emailPat);

	var ErrMsg = ""
	ErrMsg = "Email address appears to be incorrect (check @ and .'s)\n"
	ErrMsg += "  Examples: bob@aol.com, bob.thompson@trucking.com, betty@msn.com\n"
	ErrMsg += "  Emails should never have www in them"

	if (matchArray==null) 
	{

		alert(ErrMsg)
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]


	if (user.match(userPat)==null) 
	{

	    alert(ErrMsg)
	    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 domainArray=domain.match(domainPat)
	if (domainArray==null) 
	{
		alert(ErrMsg)
	    return false
	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2)
	{

	  alert(ErrMsg)
	  return false
	}


	if (len<2) 
	{
	  alert(ErrMsg)
	  return false
	}

	return true;
}

var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";

    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){

    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}
function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}


function checkRange(sFromDate, sToDate)
{
	
	var dFromDate = new Date(sFromDate.value)
	var dToDate = new Date(sToDate.value)
	
	if (dFromDate > dToDate)
	{
		alert(" Date range is not valid ");
		sFromDate.focus();
		return true;
	}
}
function isFutureDate(sDate)
{
	var dDate = new Date(sDate.value)
	var dNow = new Date()
	
	if (dDate > dNow)
	{
		alert(" Date cannot be greater than today's date ");
		sDate.focus();
		return true;
	}
}

function valSSN(f)
{
  if ((!IsNumeric(f.ssn1, 3)) || (!IsNumeric(f.ssn2, 2)) || (!IsNumeric(f.ssn3, 4))) 
  {
		alert ('Must Enter 9 Digits for SSN.');
		f.ssn1.focus();
		return false;
	} 
}

function validateSSN2(f)
{
  if ((!IsNumeric(document.getElementById("ssn1"), 3)) || (!IsNumeric(document.getElementById("ssn2"), 2)) || (!IsNumeric(document.getElementById("ssn3"), 4))) 
  {
		alert ('Must Enter 9 Digits for SSN.');
		document.getElementById("ssn1").focus();
		return false;
	} 
}

function valPhone(f){
	if ((!IsNumeric(f.ConPhoneA, 3)) || (!IsNumeric(f.ConPhoneP, 3)) || (!IsNumeric(f.ConPhoneS, 4))) {
    alert ('Must Enter a 3 digit area code and 7 digit phone number.');
		return false;
	} else {
		return true;
	}   
}

function valZip(f) {
	if (f.CoCountry.value == 'USA') {
		if (!IsNumeric(f.CoZip, 3)) {
		alert ('Zip Code must be 5 digits');
		return false;
		} else {
		return true;
		}
	}
	return true;
}

function valDOTNum(f){
	if (!IsNumeric(f.CoDOTNum, 3)) {
		alert ('Carrier DOT Number Must be atleast 3 digits.');
		return false;
	} else {
		return true;
	}   
}


var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) 
{
	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)) 
	{
		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;
}