function submitForm(formName,isValidate)
{
    //alert(formName+"\n"+isValidate);
    if(isValidate==null)
        isValidate = false;
    if(formName==null)
    {
        alert("Invalid form");
        return false;
    }
    if(isValidate)
        if(validateAll(formName))
            formName.submit();
        else
            return false;
    else
        formName.submit();
    return true;
}
function validateAll(formName)
{
    if(validationRules!=null && validationRules.length>0)
        return validateAndTranform(formName,validationRules);
    else
        return true;
}
function checkRadioAndSubmitFormInNewWindow(formName,process,command,operation,isValidate)
{
    oldTarget = formName.target;
    formName.target='printWindow';
    status=checkRadioAndSubmit(formName,process,command,operation,isValidate);
    formName.target = oldTarget;
    return status;
}
function submitFormInNewWindow(formName,process,command,operation,isValidate)
{
    oldTarget = formName.target;
    formName.target='printWindow';
    status=submitForm(formName,process,command,operation,isValidate);
    formName.target = oldTarget;
    return status;
}
function checkRadioAndSubmit(formName,process,command,operation,isValidate)
{
    noOfItems = formName.elements.length;
    control=null;
    for(i=0;i<noOfItems;i++)
    {
        if(formName.elements[i].type=="radio")
        {
            control = formName.elements[i];
            break;
        }
    }
    if(control!=null)
    {
        if(isControlSelected(eval("document."+formName.name+"."+control.name)))
            return submitForm(formName,process,command,operation,isValidate);
    }
    alert("You must select a row to perform this operation");
    return false;
}
function isControlSelected(control)
{
    i = 0;
    isChecked = false;
    if(control==null)
        return false;
    if(control.type=="radio")
    {
        if(control.checked=="1")
        {
            isChecked = true;
        }
    }
    else
    {
        for(i=0;i<control.length;i++)
        {
            if(control[i].checked=="1")
            {
                isChecked = true;
                break;
            }
        }
    }
    return isChecked;
}


function testValidateAndTranform(formObject)
{
    // {control,validation rule,transformation rule}
    var rules = [
        ["firstName",
        [
            ["EMPTY","First name cannot be empty"],
            ["NUM","Not a valid number"],
            ["MINLENGTH","Not a valid number",8],
            ["PASSWORD","Password does not match"],
            ["ALPHA","First char cannot be a number"]
        ],null]
        ]
    return validateAndTranform(formObject,rules);
}
var functionPtrTable = [
    ["EMPTY","isEmpty(control1)"],
    ["NUM","isNotNumber(control1)"],
    ["EMAIL","isNotEmailId(control1)"],
    ["MINLENGTH","isNotMinimum(control1,param1)"],
    ["MAXLENGTH","isNotMaximum(control1,param1)"],
    ["DATE","isNotValidDate(control1,param1)"],
    ["PASSWORD","isPasswordNotMatched(control1,control2)"],
    ["ALPHA","alphaCheck(control1)"]
]
function validateAndTranform(formObject,rules)
{
    //alert('In validateAndTransform');
    var isValidated = false;
    if(formObject==null || rules==null)
        return;
    var i,j,items,vrules,vruleptr,control1,control2,firstcontrol,errormessage="";
    var param1,param2,param3;
    for(i=0;i<rules.length;i++)
    {
        items = rules[i];
//        alert("items[0]="+items[0]);
        control1=formObject[items[0]];
        if(control1==null)
        {
            alert(items[0]+" is not in the form list");
            continue;
        }
        txtControl = items[1];
//        alert("items[1]="+items[1]);
//        alert("txtControl="+txtControl);
        if(typeof(txtControl) == "string")
        {
//            alert("In typeof check");
            control2=formObject[txtControl];
            vrules = items[2];
        }
        else
        {
            vrules = items[1];
        }
//        alert("vrules="+vrules);
        for(j=0;j<vrules.length;j++)
        {
            vruleptr = vrules[j];
            func = findFunction(vruleptr[0]);
            if(func!=null)
            {
//                if(vruleptr.length>2)
                    param1=vruleptr[2];
//                if(vruleptr.length>3)
                    param2=vruleptr[3];
//                if(vruleptr.length>4)
                    param3=vruleptr[3];
//                    alert("param1="+param1+"\nparam2="+param2+"\nparam3="+param3);
                if(eval(func))
                {
                    if(firstcontrol==null)
                        firstcontrol=control1;
                    errormessage+=vruleptr[1]+"\n";
                }
            }
            else
                alert("Function not found for "+vruleptr[0]);
        }
    }
    if(errormessage!="")
        alert(errormessage);
    else
        isValidated = true;

    if(firstcontrol!=null)
    {
        firstcontrol.focus();
//        firstcontrol.select();
    }
//    alert("Validate="+isValidated);
    return isValidated;
}
function findFunction(vtype)
{
    for (var i=0;i<functionPtrTable.length;i++)
        if(functionPtrTable[i][0]==vtype)
            return functionPtrTable[i][1];
    return null;
}
function isPasswordNotMatched(control1,control2)
{
    return control1.value!=control2.value;
}
function isNotNumber(control)
{
    return isNaN(control.value);
}
function isNotMinimum(control,minlength)
{
    return control.value.length<minlength;
}
function isNotMaximum(control,maxlength)
{
    return control.value.length>maxlength;
}
function isEmpty(control)
{
    return alltrim(control.value)=='';
}
function isNotEmailId(control)
{
    if(isEmpty(control))
        return false;
    return !emailCheck(control.value);
}
function alphaCheck(control)
{
//    alert("alpha check value="+control.value);
    return false;
}

function ltrim(text)
{
    if(!(typeof (text) == "string"))
        return text;
    var i=0;
    while(text.charAt(i)==' ')
        i++;
    return text.substring(i,text.length);
}
function rtrim(text)
{
    if(!(typeof (text) == "string"))
        return text;
    var i=text.length;
    while(i>0 && text.charAt(i-1)==' ')
        i--;
    return text.substring(0,i);
}
function alltrim(text)
{
    return ltrim(rtrim(text));
}

function isNotValidDate(control,format)
{
    if(isEmpty(control))
        return false;
/*    if(dateCheck(control.value,'%y/%m/%d'))
        return false;*/
    if(dateCheck(control.value,'%d-%m-%y'))
        return false;
    return true;
}

/* V1.1.3: Sandeep V. Tamhankar (stamhankar@hotmail.com)
Original:  Sandeep V. Tamhankar (stamhankar@hotmail.com) */
function emailCheck (emailStr) {

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=0;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

/* 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. */

//alert("Email address seems incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
//alert("Ths username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
//alert("Ths domain name contains invalid characters.");
return false;
   }
}

// 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.  Check if it's valid.

var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
//alert("The domain name does not seem to be valid.");
return false;
   }
}

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

if (checkTLD && domArr[domArr.length-1].length!=2 &&
domArr[domArr.length-1].search(knownDomsPat)==-1) {
//alert("The address must end in a well-known domain or two letter " + "country.");
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
//alert("This address is missing a hostname!");
return false;
}

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