<!-- 
function emailCheck (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)
// It is considered that passing email parameter is not null

        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. */
//                alert("Email address seems incorrect (check @ and .'s)")
                return false
        }
        var user=matchArray[1]
        var domain=matchArray[2]

        // See if "user" is valid
        if (user.match(userPat)==null) {
            // user is not valid
//            alert("The username doesn't seem to be valid.")
            return false
        }

        /* 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) {
//                        alert("Destination IP address is invalid!")
                        return false
                    }
            }
            return true
        }

        // Domain is symbolic name
        var domainArray=domain.match(domainPat)
        if (domainArray==null) {
//                alert("The domain name doesn't seem to be valid.")
            return false
        }

        /* 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.
//           alert("The address must end in a three-letter domain, or two letter country.")
           return false
        }

        // Make sure there's a host name preceding the domain.
        if (len<2) {
//           var errStr="This address is missing a hostname!"
//           alert(errStr)
           return false
        }

        // If we've gotten this far, everything's valid!
        return true;
}

function lTrim(str)        {
var space
space = 0
if (str.length == 0)
        return str

        for (i=0;i<=str.length-1;i++)        {
                if (escape(str.charAt(i))==escape(" "))
                        space++
                else
                        break
        }
        if (space > 0)
                str = str.substring(space, str.length)

return str
}
//-->