ÿþfunction Validate() {}

//HAM KIEM TRA :Chu cai ,con so,khoang trang

Validate.prototype.isOnlyAlphaNumeric = function(string)

{

  var invalidCharactersRegExp = /[^a-z\d ]/i;

  var isValid = !(invalidCharactersRegExp.test(string));



  return isValid;

}





//Chi chu cai va con so

Validate.prototype.isOnlyAlphaNumericNoSpace = function(string)

{

  var invalidCharactersRegExp = /[^a-z\d]/i;

  var isValid = !(invalidCharactersRegExp.test(string));



  return isValid;

}





//chu cai va khoang trang

Validate.prototype.isOnlyAlphabetic = function(string)

{

  invalidCharactersRegExp = /[^a-z ]/i;

  var isValid = !(invalidCharactersRegExp.test(string));



  return isValid;

}

//kiem tra mat khau:bao gom chu cai va chu so

Validate.prototype.isValidPasswordCharacters = function(password)

{

  var invalidCharactersRegExp = /[^a-z\d]/i;

  var isValid = !(invalidCharactersRegExp.test(password));

  if (isValid)

  {

    isValid = (password.length >= 8 && password.length <= 16);

  }



  return isValid;

}





//chi cac con so duong

Validate.prototype.isOnlyNumeric = function(string)

{

  var validFormatRegExp = /^\d*(\.\d+)?$/;

  var isValid = validFormatRegExp.test(string);



  return isValid;

}





//chi cac so nguyen

Validate.prototype.isValidInteger = function(string)

{

  var validFormatRegExp = /^((\+|-)\d)?\d*$/;

  var isValid = validFormatRegExp.test(string);



  return isValid;

}





//chi caac so thap phan

Validate.prototype.isValidFloatingPoint = function(string)

{

  var validFormatRegExp = /^((\+|-)\d)?\d*(\.\d+)?$/;

  var isValid = validFormatRegExp.test(string);



  return isValid;

}





//kiem tra tuoi nguoi

Validate.prototype.isValidAge = function(age)

{

  var isValid = false;

  if (this.isInteger(age))

  {

    isValid = (parseInt(age) >= 0 && parseInt(age) < 140)

  }



  return isValid;

}



//kiem tra so dien thoai



Validate.prototype.isValidTelephoneNum = function(telephoneNum)

{

  var validFormatRegExp = /^(\+\d{1,3} ?)?(\(\d{1,5}\)|\d{1,5}) ?\d{3} ?\d{0,7}( ?(x|xtn|ext|extn|extension)?\.? ?\d{1,5})?$/i

  var isValid = validFormatRegExp.test(telephoneNum);



  return isValid;

}



//kiem tra tinh hop le ma buu dien



Validate.prototype.isValidPostalCode = function(postalCode)

{

  var validFormat = /^(\d{5}(-\d{4})?|[a-z][a-z]?\d\d? ?\d[a-z][a-z])$/i

  var isValid = validFormat.test(postalCode);

  return isValid;

}

//kiem tra tinh hop le cua thu dien tu

Validate.prototype.isValidEmail = function(email)

{

  var validFormatRegExp = 

    /^\w(\.?\w)*@\w(\.?[-\w])*\.[a-z]{2,4}$/i;

  var isValid = validFormatRegExp.test(email);



  return isValid;

}

//kiem tra ngay

Validate.prototype.isValidDate = function(day, month, year)

{

  var isValid = true;



  var enteredDate = new Date(day + " " + month + " " + year);

  if (enteredDate.getDate() != day)

  {

    isValid = false;

  }



  return isValid;

}

//kiem tra ngay sinh

Validate.prototype.isValidDateOfBirth = function(day, month, year)

{

  var isValid = true;

  var nowDate = new Date();

  year = parseInt(year);

  var dateOfBirth = new Date(day + " " + month + " " + year);



  if (!this.isValidDate(day,month,year))

  {

    isValid = false;

  }

  else if (dateOfBirth > nowDate || (year + 140) < nowDate.getFullYear())

  {

    isValid = false;

  }



  return isValid;

}

//kiem tra card

Validate.prototype.isValidCreditCardExpiry = function(expiresMonth, expiresYear)

{

  var isValid = true;

  var nowDate = new Date();

  if (expiresMonth < (nowDate.getMonth() + 1) && 

      expiresYear == nowDate.getFullYear())

  {

    isValid = false;

  }

  else if (expiresYear < nowDate.getFullYear())

  {

    isValid = false;

  }



  return isValid;

}



Validate.prototype.isValidCreditCardNumber = function(cardNumber, cardType)

{

  var isValid = false;

  var ccCheckRegExp = /[^\d ]/;

  isValid = !ccCheckRegExp.test(cardNumber);



  if (isValid)

  {

    var cardNumbersOnly = cardNumber.replace(/ /g,"");

    var cardNumberLength = cardNumbersOnly.length;

    var lengthIsValid = false;

    var prefixIsValid = false;

    var prefixRegExp;



    switch(cardType)

    {

      case "mastercard":

        lengthIsValid = (cardNumberLength == 16);

        prefixRegExp = /^5[1-5]/;

        break;



      case "visa":

        lengthIsValid = (cardNumberLength == 16 || cardNumberLength == 13);

        prefixRegExp = /^4/;

        break;



      case "amex":

        lengthIsValid = (cardNumberLength == 15);

        prefixRegExp = /^3(4|7)/;

        break;



      default:

        prefixRegExp = /^$/;

        alert("Card type not found");

    }



    prefixIsValid = prefixRegExp.test(cardNumbersOnly);

    isValid = prefixIsValid && lengthIsValid;

  }



  if (isValid)

  {

    var numberProduct;

    var numberProductDigitIndex;

    var checkSumTotal = 0;



    for (digitCounter = cardNumberLength - 1; 

      digitCounter >= 0; 

      digitCounter--)

    {

      checkSumTotal += parseInt (cardNumbersOnly.charAt(digitCounter));

      if (digitCounter > 0)

      {

      digitCounter--;      

      numberProduct = String((cardNumbersOnly.charAt(digitCounter) * 2));

      for (var productDigitCounter = 0;

        productDigitCounter < numberProduct.length; 

        productDigitCounter++)

      {

        checkSumTotal += 

          parseInt(numberProduct.charAt(productDigitCounter));

      }

      }

    }



    isValid = (checkSumTotal % 10 == 0);

  }



  return isValid;

}



Validate.prototype.checkFormValid = function(theForm, theDocument)

{

  var isWholeFormValid = true;

  var isValid = true;

  var theElement;

  var isToBeValidatedElementRegExp = /(_Compulsory)|(_NotCompulsory)/i;

  var isCompulsoryRegExp = /(_Compulsory)/i;

  var validDataTypeRegExp = /_[a-zA-Z]+$/i;

  var invalidDataType;

  var elementName;

  var errorDivId;

  var isCompulsoryElement;

  var isToBeCheckedElement;

  var isTextBoxElement;



  // Check Text boxes completed and/or correct data type

  for (var formElementCounter = 0; formElementCounter < theForm.length;

       formElementCounter++)

  {

    theElement = theForm.elements[formElementCounter];

    elementName = theElement.name;



    isCompulsoryElement = isCompulsoryRegExp.test(elementName);

    isToBeValidatedElement = isToBeValidatedElementRegExp.test(elementName);



    if (isToBeValidatedElement)

    {

      errorDivId = theElement.name;

      errorDivId = errorDivId.slice(3,errorDivId.indexOf("_")) + "Error";

      this.hideErrorDiv(errorDivId, theDocument);



      isTextBoxElement =  theElement.type == "text" || 

                          theElement.type == "password" || 

                          theElement.type == "file";



      if ( isTextBoxElement )

      {

        isValid = this.isTextElementValid(theElement,

                                          validDataTypeRegExp,

                                          isCompulsoryElement);



        if ( !isValid )

        {

          this.showErrorDiv(errorDivId,theDocument);

          isWholeFormValid = false;

        }

      }



      //Check Compulsory Radio Buttons Completed

      else if (theElement.type == "radio")

      {

        if (isCompulsoryElement)

        {

          elementName = theElement.name;

          theElement = theForm.elements[theElement.name];

          isValid = this.isOneRadioButtonInGroupSelected(theElement);



          if (isValid == false)

          {

            this.showErrorDiv(errorDivId,theDocument);

            isWholeFormValid = false;

          }



          do 

          {

            formElementCounter++;

            theElement = theForm.elements[formElementCounter];

          }

          while (theElement.name == elementName && 

            formElementCounter < theForm.length)

          formElementCounter--;

        }

      }

    }

  }



  return isWholeFormValid;

}



Validate.prototype.isTextElementValid = function(theElement, 

                                                 validDataTypeRegExp, 

                                                 isCompulsoryElement)

{

  var isValid = true;

  var validDataType;



  if (isCompulsoryElement && theElement.value == "")

  {

    isValid = false;

  }

  else

  {

 		validDataType = validDataTypeRegExp.exec(theElement.name)[0];

		validDataType = validDataType.toLowerCase();

		if (validDataType != "_compulsory")

		{

			isValid = this.isElementDataValid(theElement.value,validDataType)

		}



  }



  return isValid;

}



Validate.prototype.isElementDataValid = function(elementValue, validDataType)

{

  var isValid = false;



  switch (validDataType)

  {

    case "_alphanumeric":

      isValid = this.isOnlyAlphaNumeric(elementValue);

      break;



    case "_alphanumericnospace":

      isValid = this.isOnlyAlphaNumericNoSpace (elementValue);

      break;



    case "_alphabetic":

      isValid = this.isOnlyAlphabetic(elementValue);

      break;



    case "_numeric":

      isValid = this.isOnlyNumeric(elementValue);

      break;



    case "_integer":

      isValid = this.isValidInteger(elementValue);

      break;



    case "_floatingpoint":

      isValid = this.isValidFloatingPoint(elementValue);

      break;



    case "_age":

      isValid = this.isValidAge(elementValue);

      break;



    case "_password":

      isValid = this.isValidPassword(elementValue);

      break;



    case "_telephone":

      isValid = this.isValidTelephoneNum(elementValue);

      break;



    case "_postcode":

      isValid = this.isValidPostalCode(elementValue);

      break;



    case "_email":

      isValid = this.isValidEmail(elementValue);

      break;



    default:

      alert("Error unidentified element data type");

  }



  return isValid;

}



Validate.prototype.isOneRadioButtonInGroupSelected = function(theElement)

{

  var radioCounter;

  var isValid = false;



  for (radioCounter = theElement.length - 1; radioCounter >= 0; radioCounter--)

  {

    isValid = theElement[radioCounter].checked;

    if (isValid)

    {

      break;

    }

  }



  return isValid;

}



Validate.prototype.showErrorDiv = function (errorDescripDivId, 

                                            theDocument)

{

  if (document.layers)

  {

    theDocument.layers[errorDescripDivId].visibility = "visible";

  }

  else if (document.all)

  {

    theDocument.all[errorDescripDivId].style.visibility = "visible";

  }

  else

  {

    theDocument.getElementById(errorDescripDivId).style.visibility = "visible";

  }

}



Validate.prototype.hideErrorDiv = function (errorDescripDivId, theDocument)

{

  if (theDocument.layers)

  {

    theDocument.layers[errorDescripDivId].visibility = "hidden";

  }

  else if (document.all)

  {

    theDocument.all[errorDescripDivId].style.visibility = "hidden"

  }

  else

  {

    theDocument.getElementById(errorDescripDivId).style.visibility = "hidden"

  }

}





//ham mo cua so popup

Validate.prototype.viewPopup =function view(id)

{

	var arg= "width=500,height=400,resizable=no,scrollbars=yes,status=0,top=0,left=0";			

	window.open ("itemdetail.php?ItemID="+ id ,"a",arg);	

}





//ham di chuyen den 1 trang

//----BEGIN implement for paging----------//s

Validate.prototype.GotoPage=function (iPage) {

        document.Form1.pg_DMBanTS.value=iPage;

        document.Form1.submit();

}





//
au dï liÇu ajax t°
 datatable vao dropdownlist

Validate.prototype.DataBindDropDownlist=function (ten_dropdownlist,ten_form)

    {

               // debugger;

           

            var optionsArray = document.ten_form.ten_dropdownlist.options;

            var teams =formajax.aaaa().value; 

            

            

            var teamsList = document.getElementById(ten_dropdownlist);



                //if the server side code threw an exception

	        if (teams  == null || typeof(teams ) != "object")

	        {

		        alert('Khong tÓn t¡i 
Ñi t°
ãng datatable');

		        return;  

	        }

            

            var indexCounter = teams.Rows.length;

            optionsArray[indexCounter] = new Option();

            

            for (i=0;i<indexCounter;i++)

            {

                // optionsArray[i].text = //;

               

                teamsList.options[teamsList.options.length] = new Option( teams.Rows[i].TRUONG, teams.Rows[i].TENTRUONG);         

            }

       

    }