function myPwdValidation(source, arguments)
{
    arguments.IsValid = (arguments.Value.length >= 4);
}

function popUpWindow (winname, url, nWidth, nHeight)
{
    var win;
    if (win) win.close();
    if (!nWidth) nWidth = 800;
    if (!nHeight) nHeight = 600;
    if (!winname) winname = "defaultPopup";
    
    win = window.open(url, winname, 'resizable=yes,menu=no,toolbar=no,location=no,directories=no,status=yes,scrollbars=yes' +
        ',width=' + nWidth + ',height=' + nHeight +
        ',left=' + (window.screenLeft + 20) +
        ',top=' + (window.screenTop - 30));
    if (win) win.focus();
}

function myEmailValidationLite(source, arguments)
{
    var emailRegEx = /\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
    arguments.IsValid = (emailRegEx.test(arguments.Value));
}

function isValidCreditCardNumber(source, arguments) 
{  
    var valid = "0123456789"  // Valid digits in a credit card number
    var len = arguments.Value.length;  // The length of the submitted cc number
    var iCCN = parseInt(arguments.Value);  // integer of ccNumb
    var sCCN = arguments.Value.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) 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
            }
        }
    }
    arguments.IsValid = bResult;
}