<!-- hide script from old browsers
        // SAB
        // 11/12/2001
        // javascript utility functions.


        // trims trailing whitespace.
        function trim ( inputStringTrim )
        {
                var fixedTrim, lastCh, x, ch;

                fixedTrim = "";
                lastCh = " ";
                for (x=0; x < inputStringTrim.length; x++)
                {
                        ch = inputStringTrim.charAt(x);
                        if ((ch != " ") || (lastCh != " ")) { fixedTrim += ch; }
                        lastCh = ch;
                }
                if (fixedTrim.charAt(fixedTrim.length - 1) == " ")
                {
                        fixedTrim = fixedTrim.substring(0, fixedTrim.length - 1);
                }
                return fixedTrim;
        }

        function GetErrorText(nErrorNumber)
        {
                switch(nErrorNumber)
                {
                        case 1:
                                return "Your email address does not appear to be valid.  Please enter a valid email address.";
                                break;

                        case 2:
                                return "Your password does not meet the minimum length requirments.  Please select a longer password.";
                                break;

                        case 3:
                                return "Your passwords do not match.  Please confirm your password.";
                                break;

                        case 4:
                                return "Please enter your phone number in xxx-xxx-xxxx format.";
                                break;

                        case 5:
                                return "Please enter a valid zip or zip plus 4 code.";
                                break;

                        case 6:
                                return "Please enter a street address.";
                                break;
								
                        case 7:
                                return "Currency format not valid.";
                                break;

                }
        }

        // Verify that an email addresses format is valid.
 /*       function CheckEmail(szEmail)
        {
                var pattern = /(\w{2,})(\.?)(\w*)@\w{2,}\.\w{2,}/;
             //   var pattern = /(\w{2,})(\.?)(\-?)(\w*)@\w{2,}\.\w{2,}/;

                szEmail = trim(szEmail);
                if(szEmail.match(pattern) == null)
                {
                        return 1;
                }
                return 0;

        }
*/
function CheckEmail (emailStr) {
/* The following pattern is used to check if the entered e-mail address
   fits the user@domain format.  It also is used to separate the username
   from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special
   characters.  We don't want to allow special characters in the address. 
   These characters include ( ) < > @ , ; : \ " . [ ]    */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a 
   username or domainname.  It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
   which case, there are no rules about which characters are allowed
   and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
   is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
   rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
   e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
   non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
   For example, in john.doe@somewhere.com, john and doe are words.
   Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


/* Finally, let's start trying to figure out if the supplied address is
   valid. */

/* Begin with the coarse pattern to simply break up user@domain into
   different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't
     even fit the general mould of a valid e-mail address. */
	return 1
}
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid 
if (user.match(userPat)==null) {
    // user is not valid
    return 1
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
   host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
		return 1
	    }
    }
    return 0
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
    return 1
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding 
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   return 1
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   return 1
}

// If we've gotten this far, everything's valid!
return 0;
}


        // Check a user's password inputs.
        function CheckPassword(szPassword1, szPassword2, nMinPassLength)
        {
                szPassword1 = trim(szPassword1);
                szPassword2 = trim(szPassword2);
                if(szPassword1.length < nMinPassLength)
                {
                        return 2;
                }
                if(szPassword1 != szPassword2)
                {
                        return 3;
                }
                return 0;
        }

        // Check phone formatting.
        function CheckPhoneNumber(szPhoneNumber)
        {
                var pattern = /^\d{3}-\d{3}-\d{4}$/;

                szPhoneNumber = trim(szPhoneNumber);
                if(szPhoneNumber.match(pattern) == null)
                {
                        return 4;
                }
                return 0;
        }


        // Check zip code formatting.
        function CheckZipCode(szZipCode)
        {
                var pattern = /^(\d{5})(-\d{4})?$/;       // Match a zip + 4
                var pattern2 = /^(\d{5})(-\d*)$/; // Check to see if there is anything after 5 digit zip.
                var i, j;

                szZipCode = trim(szZipCode);
                i = szZipCode.match(pattern);
                j = szZipCode.match(pattern2);

                if(i == null)
                {
                        return 5;
                } else if(i[1] == null) {
                        return 5;
                } else if(j != null && (i[2] == "" && j[2] != "")) {
                        return 5;
                }
                return 0;
        }

        function CheckStreetAddress(szStreetAddress)
        {
                var pattern = /\d+ \w+/;

                szStreetAddress = trim(szStreetAddress);
                if(szStreetAddress.length == 0)
                {
                        return 6;
                }
                return 0;
        }

        function CheckCC(szCCNumber)
        {
                var pattern = /[^0-9]/;

                szCCNumber = trim(szCCNumber);
                if((szCCNumber.match(pattern) == null) && (szCCNumber.length != 0))
                {
                        return 0;
                }
                return 7;
        }
		
        // Check currency formatting.
        function CheckCurrency(currency)
        {
                var currencyPat1 = /\$\d{1,3}(,\d{3})*\.\d{2}/;
                var currencyPat2 = /\d{1,3}(,\d{3})*\.\d{2}/;
                var currencyPat3 = /\$\d{1,3}(,\d{3})*/;
                var currencyPat4 = /\d{1,3}(,\d{3})*/;

                currency = trim(currency);
                if((currency.match(currencyPat1) == null) && (currency.match(currencyPat2) == null)
		  && (currency.match(currencyPat2) == null) && (currency.match(currencyPat4) == null))
                {
                        return 7;
                }
                return 0;
        }

 // end hiding script from old browsers -->