function Validator(frmname)
{
  this.formobj=document.forms[frmname];
    if(!this.formobj) {
        alert("BUG: couldnot get Form object "+frmname);
        return false;
    }

    if(this.formobj.onsubmit) {
        this.formobj.old_onsubmit = this.formobj.onsubmit;
        this.formobj.onsubmit=null;
    } else {
        this.formobj.old_onsubmit = null;
    }
    this.formobj.onsubmit = form_submit_handler;
    this.addValidation = add_validation;
    this.setAddnlValidationFunction = set_addnl_vfunction;
    this.clearAllValidations = clear_all_validations;    
}

function set_addnl_vfunction(functionname){
  this.formobj.addnlvalidation = functionname;
}

function clear_all_validations(){
    for(var itr=0;itr < this.formobj.elements.length;itr++)
    {
        this.formobj.elements[itr].validationset = null;
    }
}
/*
    MODIFIED BY SUFIYAN TO ALLOW ALL ERROR MESSAGES IN ONE ALERT
*/
function form_submit_handler(){
    var allErrorMessage = "";
    for(var itr=0;itr < this.elements.length;itr++)
    {
        if(this.elements[itr].validationset) {
            allErrorMessage = this.elements[itr].validationset.validate(allErrorMessage);    
        }          
    }
    
    if(allErrorMessage.length >0){
        alert (" The required information is incomplete or contains errors:\t\t\t\t\t\n" + allErrorMessage);    
        return false;
    }
    
    if(this.addnlvalidation){
        str =" var ret = "+this.addnlvalidation+"()";
         eval(str);
        if(!ret) return false;
    }

    return false;
}
function add_validation(itemname,descriptor,errstr)
{
  if(!this.formobj)
    {
      alert("BUG: the form object is not set properly");
        return;
    }//if
    var itemobj = this.formobj[itemname];
  if(!itemobj)
    {
      alert("BUG: Couldnot get the input object named: "+itemname);
        return;
    }
    if(!itemobj.validationset)
    {
      itemobj.validationset = new ValidationSet(itemobj);
    }
  itemobj.validationset.add(descriptor,errstr);
}
function ValidationDesc(inputitem,desc,error)
{
  this.desc=desc;
    this.error=error;
    this.itemobj = inputitem;
    this.validate=vdesc_validate;
}
function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    this.itemobj.focus();
        return false;
 }
 return true;
}
function ValidationSet(inputitem)
{
    this.vSet=new Array();
    this.add= add_validationdesc;
    this.validate= vset_validate;
    this.itemobj = inputitem;
}
function add_validationdesc(desc,error)
{
  this.vSet[this.vSet.length]= 
      new ValidationDesc(this.itemobj,desc,error);
}
/*
    MODIFIED BY SUFIYAN TO ALLOW ALL ERROR MESSAGES IN ONE ALERT
*/
function vset_validate(allError)
{
   for(var itr=0;itr<this.vSet.length;itr++)
     {
       if(!this.vSet[itr].validate())
         {
           allError += "*"+ this.vSet[itr].error + "\n";
           //return false;
         }
     }
    // return true;
    return allError;
}
function validateEmailv2(email)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    if(email.length <= 0)
    {
      return true;
    }
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
        var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
        if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}

function V2validateData(strValidateStr,objValue,strError) 
{ 
    var epos = strValidateStr.search("="); 
    var  command  = ""; 
    var  cmdvalue = ""; 
    if(epos >= 0) 
    { 
     command  = strValidateStr.substring(0,epos); 
     cmdvalue = strValidateStr.substr(epos+1); 
    } 
    else 
    { 
     command = strValidateStr; 
    } 
    switch(command) 
    { 
        case "req": 
        case "required": 
         {              
           if(eval(objValue.value.length) == 0) 
           { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Required Field"; 
              }//if 
              //alert(strError); 
              return false; 
           }//if 
           break;             
         }//case required 
          
        case "notreq": 
        case "notrequired": 
         { 
           if(eval(objValue.value.length) > 0) 
           { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Required Field"; 
              }//if 
              //alert(strError); 
              return false; 
           }//if 
           break;             
         }//
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }//if 
               //alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }//if 
             break; 
          }//case maxlen 
        case "comp": 
        case "compare": 
          { 
             if((objValue.value <  cmdvalue) ||(objValue.value >  cmdvalue))
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }//if 
               //alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }//if 
             break; 
          }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }//if               
               //alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false;                 
             }//if 
             break; 
            }//case minlen 
        case "alnum": 
        case "alphanumeric": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alpha-numeric characters allowed "; 
                }//if 
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
        case "num": 
        case "numeric": 
           { 
              var charpos = objValue.value.search("[^0-9\.]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only digits allowed "; 
                }//if               
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
            case "numInt": 
           { 
              var charpos = objValue.value.search("[^0-9\]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only round figure allowed "; 
                }//if               
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
        case "int": 
        case "integer": 
           { 
              var charpos = objValue.value.search("[^0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only digits allowed "; 
                }//if               
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
        case "alphabetic": 
        case "alpha": 
           { 
              var charpos = objValue.value.search("[^A-Za-z]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 
           case "alphaspace": 
           { 
              var charpos = objValue.value.search("[^A-Za-z ]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 
        case "alphabeticName": 
        case "alphaName": 
           { 
              var charpos = objValue.value.search("[^A-Za-z\ ]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 
        case "alnumhyphen":
            {
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _"; 
                }//if                             
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if             
            break;
            }
        case "http": 
          { 
               if(!validateHttpProtocolWOMsg(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Http address "; 
                 }//if                                               
                 //alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email
        
        case "httpNotReq": 
          { 
             if (objValue.value != ""){
                   if(!validateHttpProtocolWOMsg(objValue.value)) 
                   { 
                     if(!strError || strError.length ==0) 
                     { 
                        strError = objValue.name+": Enter a valid Http address "; 
                     }//if                                               
                     //alert(strError); 
                     return false; 
                   }//if 
               
               }
           break; 
          }//case email
          
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 //alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email           
        case "phone": 
          { 
               if(!validatePhoneNo(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 //alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              //alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }//if               
              //alert(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              //alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }//if               
               //alert(strError); 
               return false;                 
             }//if             
            break; 
         }//case greaterthan 
        case "regexp": 
         { 
             if(objValue.value.length > 0)
            {
                if(!objValue.value.match(cmdvalue)) 
                { 
                  if(!strError || strError.length ==0) 
                  { 
                    strError = objValue.name+": Invalid characters found "; 
                  }//if                                                               
                  //alert(strError); 
                  return false;                   
                }//if 
            }
           break; 
         }//case regexp 
        case "dontselect": 
         { 
            if(objValue.selectedIndex == null) 
            { 
              alert("BUG: dontselect command for non-select Item"); 
              return false; 
            } 
            if(objValue.selectedIndex == eval(cmdvalue)) 
            { 
             if(!strError || strError.length ==0) 
              { 
              strError = objValue.name+": Please Select one option "; 
              }//if                                                               
              //alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect          
         case "ip": 
         { 
             if(objValue.value != "")
            {
            IPvalue = objValue.value;
            errorString = "";
            theName = "IPaddress";
            
            var ipPattern = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
            var ipArray = IPvalue.match(ipPattern); 
            
            if (IPvalue == "0.0.0.0")
            errorString = 'invalid';
            else if (IPvalue == "255.255.255.255")
            errorString = 'invalid';
            if (ipArray == null)
            errorString = 'invalid';
            else {
            for (i = 0; i < 4; i++) {
            thisSegment = ipArray[i];
            if (thisSegment > 255) {
            errorString = 'invalid';
            i = 4;
            }
            if ((i == 0) && (thisSegment > 255)) {
            errorString = 'invalid';
            i = 4;
                  }
               }
            }
            extensionLength = 3;
            if (errorString == "invalid"){ return false;    }
            }
             break; 
         }//case ip 
         
    }//switch 
    return true; 
}
/*
    Applied by sufiyan
*/
function validateHttpProtocol(value){
    var pattern = /^https?:\/\/.+.*/i;
    
    var result = pattern.exec(value,"i");    

    if( result != null){
        return true;
    }else{        
        alert("Invalid http protocol. Please apply the following format \n http://<url address>\n example : http://www.google.com or https://www.google.com.");
        return false;
        
    }
}

/*
    Applied by sufiyan
*/
function validateHttpProtocolWOMsg(value){
    var pattern = /^https?:\/\/.+.*/i;
    
    var result = pattern.exec(value,"i");    

    if( result != null){
        return true;
    }else{                
        return false;
        
    }
}

/*
    Applied by sufiyan
*/  
function compareWthMsg(str1, str2,errormsg){
    
    if (compare(str1, str2) ==false)  {
        
        return false;
    }else {
        
       return true;
    }
}

/*
    Applied by sufiyan
*/  
function compare(str1, str2){
    
    if (( str1 < str2 ) ||( str1 > str2 ))  {
        
        return false;
    }else {        
       return true;
    }
}

/*
    Applied by sufiyan
*/
function validatePhoneNo(str1){    
    
    var pattern = /[^0-9\-\+]/i;
    
    var result = pattern.exec(str1,"i");    
    
    if( result != null){
        
        return false;
    }else{                
        return true;        
    }
}


/*
    Applied by sufiyan
*/
function validateAlpha(str1){    
    
    var pattern = /[^A-Za-z]/i;
    
    var result = pattern.exec(str1,"i");    
    
    if( result != null){        
        return false;
    }else{                
        return true;        
    }
}

/*
    Applied by sufiyan
*/
function validateAlphaNumeric(str1){    
    
    var pattern = /[^A-Za-z0-9]/i;
    
    var result = pattern.exec(str1,"i");    
    
    if( result != null){        
        return false;
    }else{                
        return true;        
    }
}

/*
    Applied by sufiyan
*/
function validateNumeric(str1){    
    
    var pattern = /[^0-9\.]/i;
    
    var result = pattern.exec(str1,"i");    
    
    if( result != null){        
        return false;
    }else{                
        return true;        
    }
}

/*
    Applied by sufiyan
*/  
function isLessThan(value1, value2){
    
    if ( value1 <= value2 )   {        
        return true;
    }else {        
       return false;
    }
}

/*
    Applied by sufiyan
*/  
function isLessThanNumeric(value1, value2){
    return isLessThan(parseFloat(value1) , parseFloat(value2));    
}

/*
    Applied by sufiyan
*/  
function isPercentage(value1){
    
    if ((isLessThanNumeric(value1,100)== true) && (isLessThanNumeric(-1,value1)==true)){
       return true;
    }else {        
       return false;
    }
}

/*
    Applied by hernae
*/
function validateTime(str1){    
    
    var pattern = /^[0-9]+:[0-9]+ [aApP]+[mM]+$/i;
    
    var result = pattern.exec(str1,"i");    
    
    if( result != null){        
        return false;
    }else{                
        return true;        
    }
}

/*
    Added by Hoong Piew
*/
function optionFinder(oSelect, oEvent) {
    var sKeyCode = oEvent.keyCode;
    var sToChar = String.fromCharCode(sKeyCode);
    if(sKeyCode >47 && sKeyCode<91){
        var sNow = new Date().getTime();
        if (oSelect.getAttribute("finder") == null) {
            oSelect.setAttribute("finder", sToChar.toUpperCase())
            oSelect.setAttribute("timer", sNow)
        } else if( sNow > parseInt(oSelect.getAttribute("timer"))+1500) { //Rest all;
            oSelect.setAttribute("finder", sToChar.toUpperCase())
            oSelect.setAttribute("timer", sNow) //reset timer;
        } else {
            oSelect.setAttribute("finder", oSelect.getAttribute("finder")+sToChar.toUpperCase())
            oSelect.setAttribute("timer", sNow); //update timer;
        }
        var sFinder =  oSelect.getAttribute("finder");
        var arrOpt = oSelect.options
        var iLen = arrOpt.length
        for (var i = 0; i < iLen ; i++) {
            sTest  = arrOpt[i].text;
            if (sTest.toUpperCase().indexOf(sFinder) == 0) {
                arrOpt[i].selected = true;
                break;
            }
        }
        event.returnValue = false;
    } else{
        //Not a digit;
    }
}

function isCreditCard(cc) {
    var cc=new String(cc)
    if (cc.length<16) return false
    var sum = 0
    for (i=0;i<cc.length;i++){
        var digit=parseInt(cc.charAt(i))
        if(isNaN(digit)) return false
        if(i%2 == cc.length%2) digit*=2
        if(digit>9) digit-=9
        sum += digit
    }
    return sum%10 == 0
}

function isCCdateExpired(month, year) {
    var expires=new Date(year, month, 1)
    today=new Date()
    var one_day=1000*60*60*24
    return Math.ceil((today.getTime()-expires.getTime())/(one_day)) >= 1
}

function isBannedCountry(cb)
{
    var re_b_c=/A[DEFGILMOQSWZ]|B[ABDFGHIJNOTVWYZ]|C[CFGIMNOUV]|D[JMOZ]|E[CHT]|F[KMO]|G[ADEHIMNQTWY]|H[KN]|I[DLNQR]|JM|K[EGHIMPRWZ]|L[ABKRSTY]|M[ALMNORSUWYZ]|N[AEGIPRU]|OM|P[EGHKNSWY]|QA|R[OUW]|S[ADGLNORVY]|T[DGHJKMOTVWZ]|U[AGYZ]|V[ENU]|W[FS]|Y[EU]|Z[MW]/
    if(re_b_c.test(cb.value)){
      cb.selectedIndex=0
      return error('Sorry, we do not work with this country.')
    }
    return true
}

function item(id){return document.getElementById(id)}
function error(msg,focus) {
    alert(msg)
    if(focus)focus.focus()
    return false
}