function n2d(num) 
{ 

   var tmp1 = cents = dollars = "";
   var dec = -1;
   
   num=String(num)
   num = num.split(",")
   num=num.join("")
   num=parseFloat(num)
   num = "" + (Math.round(num * 100)/100);
   dec = num.indexOf(".");

   cents = ((dec > 0) ? num.substring(dec,num.length) : ".00");
   if (cents.length == 2) cents += "0";

   dollars = "" + parseInt(num);
   tmp1 = insComma(dollars);
   num = "";

   for (i = tmp1.length-1; i >= 0; i--) 
      num += tmp1.charAt(i);;

   num +=  cents;
   
return num;

}

function insComma(data)
{
   var count = i = 0;
   var tmpStr = "";
   var comma = ",";

   for (i = data.length-1; i >= 0; i--) 
   {
      if (count == 3)
      {
         tmpStr += comma;
         count = 1;
      }
      else  count ++;
      tmpStr += data.charAt(i);
   }
   return(tmpStr);
}

function extractDigits(mixedString) {
   digitsOnly = '';
   thisDigit = '';
   for (i = 0; i < mixedString.length; i++) {
      thisDigit = mixedString.charAt(i);
      if (thisDigit >= '0' && thisDigit <= '9')
         digitsOnly = digitsOnly + thisDigit;
   }
   return digitsOnly;
}

function checkMod10(ccNumber) {
   translateMap = '0246813579';
   digitSum = 0;
   translateFlag = ((ccNumber.length % 2) == 0);
   for (i = 0; i < ccNumber.length; i++) {
       digitSum += parseInt(translateFlag ?
            translateMap.charAt(ccNumber.charAt(i)) :
            ccNumber.charAt(i) , 10)
      translateFlag = !translateFlag;
   }
   return (digitSum % 10) == 0;
}

function validCardType(ccNumber) {
   cardLengths = new Array (
         'v', 13, 'v', 16, 'm', 16,
         'a', 15, 'c', 14, 'd', 16);
   cardDigits = new Array (
         'v', '4', 'm', '51', 'm', '52', 'm', '53' ,
         'm', '54', 'm', '55', 'a', '34', 'a', '37',
         'c', '300', 'c', '301', 'c', '302', 'c', '303',
         'c', '304', 'c', '305', 'c', '36', 'c', '38',
         'd', '6011');
   validCard = false;
   correctLength = false;
   cardType = '' ;
   for (i = 0; i < cardDigits.length - 1; i += 2) {
      if (cardDigits[i + 1] == ccNumber.substr(0, cardDigits[i + 1].length)) {
         validCard = true;
         cardType = cardDigits[i];
         break;
      }
   }
   if (validCard) {
      cardLen = ccNumber.length;
      for (i = 0; i < cardLengths.length - 1; i += 2) {
         if ((cardType == cardLengths[i]) && (cardLen == cardLengths[i + 1])) {
            correctLength = true;
            break;
         }
      }
      validCard = correctLength;
   }
   return validCard;
}

function ccCheck(ccNumber) {
   ccDigits = extractDigits(ccNumber);
   if (checkMod10(ccDigits) && validCardType(ccDigits)) {
      return true;
   } else {
      alert('Invalid credit card number')
	  return false
   }
}

digits = "0123456789";
phoneNumberDelimiters = "()- ";
validWorldPhoneChars = phoneNumberDelimiters;
minDigitsInIPhoneNumber = 10;

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

function stripCharsInBag(s, bag)
{  // i;
    returnString = "";
    for (i = 0; i < s.length; i++)
    {   
        c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length == minDigitsInIPhoneNumber);
}

function checkzip(strzip){
z=stripCharsInBag(strzip,validWorldPhoneChars);
return (isInteger(z) && (z.length <= 9 && z.length>4));
}

function echeck(str) {

		at="@"
		dot="."
		lat=str.indexOf(at)
		lstr=str.length
		ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid Email Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid Email Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid Email Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid Email Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid Email Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid Email Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid Email Address")
		    return false
		 }

 		 return true					
	}


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

function isInteger(s){
	i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	i;
    returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (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){
	daysInMonth = DaysArray(12)
	pos1=dtStr.indexOf(dtCh)
	pos2=dtStr.indexOf(dtCh,pos1+1)
	strMonth=dtStr.substring(0,pos1)
	strDay=dtStr.substring(pos1+1,pos2)
	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 (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 event date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid event date month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid event date 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+" for event date.")
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid event date")
		return false
	}
return true
}


function Mod10(ccNumb) {  // v2.0
var valid = "0123456789"  // Valid digits in a credit card number
var len = ccNumb.length;  // The length of the submitted cc number
var iCCN = parseInt(ccNumb);  // integer of ccNumb
var sCCN = ccNumb.toString();  // string of ccNumb
sCCN = sCCN.replace (/^s+|s+$/g,'');  // strip spaces
var iTotal = 0;  // integer total set at zero
var bNum = true;  // by default assume it is a number
var bResult = false;  // by default assume it is NOT a valid cc
var temp;  // temp variable for parsing string
var calc;  // used for calculation of each digit

// Determine if the ccNumb is in fact all numbers
for (var j=0; j<len; j++) {
  temp = "" + sCCN.substring(j, j+1);
  if (valid.indexOf(temp) == "-1"){bNum = false;}
}

// if it is NOT a number, you can either alert to the fact, or just pass a failure
if(!bNum){
  /*alert("Not a Number");*/bResult = false;
}

// Determine if it is the proper length 
if((len == 0)&&(bResult)){  // nothing, field is blank AND passed above # check
  bResult = false;
} else{  // ccNumb is a number and the proper length - let's see if it is a valid card number
  if(len >= 15){  // 15 or 16 for Amex or V/MC
    for(var i=len;i>0;i--){  // LOOP throught the digits of the card
      calc = parseInt(iCCN) % 10;  // right most digit
      calc = parseInt(calc);  // assure it is an integer
      iTotal += calc;  // running total of the card number as we loop - Do Nothing to first digit
      i--;  // decrement the count - move to the next digit in the card
      iCCN = iCCN / 10;                               // subtracts right most digit from ccNumb
      calc = parseInt(iCCN) % 10 ;    // NEXT right most digit
      calc = calc *2;                                 // multiply the digit by two
      // Instead of some screwy method of converting 16 to a string and then parsing 1 and 6 and then adding them to make 7,
      // I use a simple switch statement to change the value of calc2 to 7 if 16 is the multiple.
      switch(calc){
        case 10: calc = 1; break;       //5*2=10 & 1+0 = 1
        case 12: calc = 3; break;       //6*2=12 & 1+2 = 3
        case 14: calc = 5; break;       //7*2=14 & 1+4 = 5
        case 16: calc = 7; break;       //8*2=16 & 1+6 = 7
        case 18: calc = 9; break;       //9*2=18 & 1+8 = 9
        default: calc = calc;           //4*2= 8 &   8 = 8  -same for all lower numbers
      }                                               
    iCCN = iCCN / 10;  // subtracts right most digit from ccNum
    iTotal += calc;  // running total of the card number as we loop
  }  // END OF LOOP
  if ((iTotal%10)==0){  // check to see if the sum Mod 10 is zero
    bResult = true;  // This IS (or could be) a valid credit card number.
  } else {
    bResult = false;  // This could NOT be a valid credit card number
    }
  }
}
// change alert to on-page display or other indication as needed.
if(bResult) {
return true
}
if(!bResult){
  alert("Please enter a valid credit card number.");
}
  return bResult; // Return the results
}




function formVerify(){

var reqfields=document.form3.req.value.split(",")
var x=0
while(x<reqfields.length-1){

eval('var thisfield=document.form3.customfield'+reqfields[x]+'.value')
if (thisfield=="")
{
	alert("Please enter all required fields");return false;
}
x=x+1}
if (document.form3.shipping.value!="Customer Pickup|0" && document.form3.shipping.value!="Use mailing services using my mailing list|0" && document.form3.shipto.value!="0")
{

if (document.form3.shipping.value.indexOf("Use my shipping account")>-1)
{
if(document.form3.cship.value=="" || document.form3.cshipnum.value=="" || document.form3.cshipname.value=="" || document.form3.cshipaddress.value=="" ){alert('Please enter your shipping account information.');return false}
}


if(document.form3.sfirst.value==""){alert('You must enter a shipping first name.');return false}
if(document.form3.slast.value==""){alert('You must enter a shipping last name.');return false}
if(document.form3.sadd1.value==""){alert('You must enter a shipping street address.');return false}
if(document.form3.scity.value==""){alert('You must enter a shipping City.');return false}
if(document.form3.sstate.value=="0"){alert('You must enter a shipping State.');return false}
zip=document.form3.szip	
	if ((zip.value==null)||(zip.value=="")){alert("Please Enter your Zipcode"+" "+zip.value);return false}
}
var radioObj=document.form3.pmethod
for(var i = 0; i < radioObj.length; i++) {
		if(radioObj[i].checked) {
			var pmethod= radioObj[i].value;
		}}


if (String(pmethod)=="undefined" && String(document.form3.pmethod.value)=="undefined")
{
alert("Please select a payment method.");
return false
}
if (pmethod=="1")
{

if(document.form3.bfirst.value==""){alert('You must enter a billing first name.');return false}
if(document.form3.blast.value==""){alert('You must enter a billing last name.');return false}
if(document.form3.badd1.value==""){alert('You must enter a billing street address.');return false}
if(document.form3.bcity.value==""){alert('You must enter a billing City.');return false}
if(document.form3.bstate.value=="0"){alert('You must enter a billing State.');return false}
zip=document.form3.bzip
	
	if ((zip.value==null)||(zip.value=="")){alert("Please Enter your Zipcode");return false}


today=new Date()
thisyear=today.getYear()
thismonth=today.getMonth()+1

sentmonth=document.form3.ccmonth.value
sentyear=document.form3.ccyear.value

if(sentmonth=="0"){alert("Please Enter your Card's Expiration Date");return false}
if(sentyear==""){alert("Please Enter your Card's Expiration Date");return false}

if(sentyear<thisyear){alert("The card entered has expired.");return false}
if(sentyear==thisyear){if(sentmonth<thismonth){alert("The card entered has expired.");return false}}

if(document.form3.cctype.selectedIndex==0){alert("Please Enter your Card Type");return false}
if(document.form3.ccnum1.value==""){alert("Please Enter your Card Number");return false}
if(document.form3.cardname.value==""){alert('You must enter the name on your card.');return false}
if(document.form3.cvv.value==""){alert('You must enter the CVV code from your credit card..');return false}



return Mod10(document.form3.ccnum1.value+document.form3.ccnum2.value+document.form3.ccnum3.value+document.form3.ccnum4.value)

}}



isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) {
keyCode = (isNN) ? e.which : e.keyCode; 
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) {
found = false, index = 0;
while(!found && index < arr.length)
if(arr[index] == ele)
found = true;
else
index++;
return found;
}
function getIndex(input) {
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 copybill(){

if(document.form3.billsame.value=="Yes"){

document.form3.bfirst.value=document.form3.sfirst.value
document.form3.blast.value=document.form3.slast.value
document.form3.badd1.value=document.form3.sadd1.value
document.form3.badd2.value=document.form3.sadd2.value
document.form3.bcity.value=document.form3.scity.value
document.form3.bstate.value=document.form3.sstate.value
document.form3.bzip.value=document.form3.szip.value
}
}



function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}