function validator(formName)

{

	this.formName = formName;

	this.fields = null;

	this.type = 1;

	

	

	this.setType = function(_tmpType)

	{

		this.type = _tmpType;

	}

	

	this.setFields = function(_tmpFields)

	{

		this.fields = _tmpFields;

	}

	

	this.validateAndSubmit = function()

	{

		 

		if (this.validatFormFields())

		{

			var _vForm = eval("document." + this.formName);

			_vForm.submit();

		}

		

		

	}

	this.validatFormFields = function()

	{

		var errors = new Array();

		var _vForm = eval("document." + this.formName);

		var _errorMsg = "";

		

		var _tempFirstField = null;

		

		for (var i=0;i<this.fields.length; i++)

		{

			

			

			var _tempField = this.fields[i];

			var _tempFunc = _tempField.func;

			

			var _vField = eval("document." + this.formName + "." +  _tempField.fieldName);

			if (_vField == null)

			{

					alert (_tempField.fieldName + " cannot be found. please check");

					return false;

			}

			var _vValue = _vField.value;

			

			

			if (((_vField.type+"").indexOf("text")!=-1) || ((_vField.type+"").indexOf("password")!=-1))

			{

				if (eval(_tempFunc).call(this, _vValue,_vField))

				{

					if (_tempFirstField == null)

					{

						_tempFirstField = _vField;

					}

					errors[errors.length] = _tempField.errorMsg;

				}

			}

			else

			{

				if (eval(_tempFunc).call(this, _vField))

				{

					if (_tempFirstField == null)

					{

						_tempFirstField = _vField;

					}

					errors[errors.length] = _tempField.errorMsg;

				}

			}

		}

		

		

		for (var i=0; i < errors.length; i++)

		{

			_errorMsg += errors[i] + "\n";

		}

		

		if (errors.length > 0)

		{

			alert (_errorMsg);

			

			if ((_tempFirstField.type+"").indexOf("text")!=-1)

			{

				_tempFirstField.focus();

			}

			else if ((_tempFirstField.type+"").indexOf("select")!=-1)

			{

				_tempFirstField.focus();

			}

			else if ((_tempFirstField.type+"").indexOf("password")!=-1)

			{

				_tempFirstField.focus();

			}

			else if(_tempFirstField.length > 0)

			{

				_tempFirstField[0].focus();

			}

			else

			{

				_tempFirstField.focus();

			}

			

		}

		else

		{

			return true;

		}

		return false;

	}

}



function fieldValidator(fieldName,errorMsg,func)

{

	this.fieldName = fieldName;

	this.errorMsg = errorMsg;

	this.func = func;

}





//========================================HELPER METHODS========================



function isBlank(str)

{

	try

	{

		var found = str.match(/\S+/);

		if(found==null)

		{

			return true;

		}

		else

		{

			return false;

		}

	}

	catch (e)

	{

		

	}

}



function isNotBlank(str)

{

	return !isBlank(str);

}



function isNoneSelected (field)

{

	if (field.selectedIndex == -1)

	{

		return true;

	}

	return false;

}



function isEmptySelected (field)

{

	if (field[field.selectedIndex].value == "")

	{

		return true;

	}

	return false;

}



function isFirstSelected (field)

{

	if (field.selectedIndex == 0)

	{

		return true;

	}

	return false;

}

function isNotChecked(field)

{

	var checked = false;

	for (var i=0; i < field.length; i++)

	{

		if (field[i].checked)

		{

			checked = true;

		}

	}

	return !checked;

}



function validatePhone (phoneNumber)

{

	// accepts -().0123456789.

	// needs to have atleast 10 numbers.

	phoneNumber = trim(phoneNumber);

	

	if (phoneNumber.length < 10)

		return false;

	

	validEntries = " -().0123456789";

	numbers = "0123456789";

	

	numOfDigits = 0;

	validPhoneNumber = "";

	for (i=0; i < phoneNumber.length; i++)

	{

		// checks if the phone has invalid characters

		if (validEntries.indexOf(phoneNumber.charAt(i))==-1)

			return false;

			

		if (numbers.indexOf(phoneNumber.charAt(i))!= -1)

		{

			numOfDigits = numOfDigits + 1;

		}

	}	

	

	if (numOfDigits != 10)

	{

		return false;

	}		

	

	return true;

}



function isInvalidEmail(email) 

{

	if (!validEmail(email))

	{

		return true;

	}

	return false;

}



function validEmail(email) 

 {

	invalidChars = " /:,;"

	if (email == "") {

		return false

	}

	for (i=0; i<invalidChars.length; i++) {

		   badChar = invalidChars.charAt(i)

		   if (email.indexOf(badChar,0) != -1) {

				   return false

		   }

	}

   

	atPos = email.indexOf("@",1)

	if (atPos == -1) {

	  return false

	}



	if (email.indexOf("@",atPos+1) != -1) {

	  return false

	}



	periodPos = email.indexOf(".",atPos+1)

	if (periodPos == -1) {

	  return false

	}	     

	      		

	/*	

	if (periodPos+3 > email.length || periodPos+4 < email.length) {

	  return false

	}

	*/

	

	return true

}



function trim(inputString) {

   // Removes leading and trailing spaces from the passed string. If something besides

   // a string is passed in (null, custom object, etc.) then return the input.

   if (typeof inputString != "string") { return inputString; }

   var retValue = inputString;

   var ch = retValue.substring(0, 1);

   while (ch == " ") { // Check for spaces at the beginning of the string

      retValue = retValue.substring(1, retValue.length);

      ch = retValue.substring(0, 1);

   }

   ch = retValue.substring(retValue.length-1, retValue.length);

   while (ch == " ") { // Check for spaces at the end of the string

      retValue = retValue.substring(0, retValue.length-1);

      ch = retValue.substring(retValue.length-1, retValue.length);

   }

   return retValue; // Return the trimmed string back to the user

} // Ends the "trim" function





function isOlderDate (iDate)

{

	//not a date is automatically invalid

	if (isInvalidDate(iDate))

	{

		return true;

	}

	

	var sdate = iDate.split("/");

	var tempDateObj=new Date(Date.parse(iDate));

	

	var dNow = new Date();

	

	if (dNow > tempDateObj)

	{

		return true; 

	}

	return false;

	

	

}



function isInvalidDate(datein)

{

	if (!validDateMMDDYYYY(datein))

	{

		return true;

	}

	return false;

}



if (!Date.prototype.getFullYear) { // needs full test, all browsers

  Date.prototype.getFullYear =

    new Function("return (X=this.getYear())>999 ? X : 1900+X") }

    



function validDateMMDDYYYY(datein)

{

   var indate=datein;

   var sdate = indate.split("/");

   

   var chkDate=new Date(Date.parse(indate))

   var cmpDate=(chkDate.getMonth()+1)+"/"+(chkDate.getDate())+"/"+(chkDate.getFullYear())

   var indate2=(Math.abs(sdate[0]))+"/"+(Math.abs(sdate[1]))+"/"+(Math.abs(sdate[2]))



   var pos1=datein.indexOf("/")

   var pos2=datein.indexOf("/",pos1+1)

   var strYear=datein.substring(pos2+1)

   

   if (strYear.length < 4)

   {

		return false;

   }

   else

   {

	   //alert (indate2 + "====" + cmpDate); 

	   if (indate2!=cmpDate)

	   {

		   return false;

	   }

	   else 

	   {

		   if (cmpDate=="NaN/NaN/NaN")

		   {

			   return false;

		   }

	   }

   }

   return true;

}



function validDateMMDDYY(datein)

{

   var indate=datein;

   var sdate = indate.split("/")

   

   var chkDate=new Date(Date.parse(indate))

   var cmpDate=(chkDate.getMonth()+1)+"/"+(chkDate.getDate())+"/"+(chkDate.getYear())

   var indate2=(Math.abs(sdate[0]))+"/"+(Math.abs(sdate[1]))+"/"+(Math.abs(sdate[2]))



   var pos1=datein.indexOf("/")

   var pos2=datein.indexOf("/",pos1+1)

   var strYear=datein.substring(pos2+1)

   

   if (strYear.length < 2)

   {

	//	alert("You've entered an invalid date or date format.  Please use the mm/dd/yy format.");

		return false;

   }

   else

   {

   

	   if (indate2!=cmpDate)

	   {

		//   alert("You've entered an invalid date or date format.  Please use the mm/dd/yy format.");

		   return false;

	   }

	   else 

	   {

		   if (cmpDate=="NaN/NaN/NaN")

		   {

			//   alert("You've entered an invalid date or date format.  Please use the mm/dd/yy format.");

			   return false;

		   }

	   }

   }

   return true;

}



function isNonnegativeInteger (number)

{

	return (!isNaN(number)) && number > 0;

}



function isNotInteger(number)

{

	if (isInteger(number))

	{

		return false;

	}

	return true;

}

function isInteger(s){

	var i;

    for (i = 0; i < s.length; i++){   

        // Check that current character is number.

        var c = s.charAt(i);

        if (((c < "0") || (c > "9"))) return false;

    }

    // All characters are numbers.

    return true;

}



function getNumOfCharactersInHtml(targetString)

{

	// see http://www.ascii.cl/htmlcodes.htm for codes

	var htmlCarriageReturn = "<br>";

	var htmlTradeMark = "&#8482;";

	var htmlRegisteredTradeMarks = "&#174;";

	var htmlCopyrights = "&#169;";

	var htmlEngravedRightDoubleQuotes = "&#8221;";

	var htmlEngravedLeftDoubleQuotes = "&#8220;";

	var htmlEngravedRightSingleQuotes = "&#8217;";

	var htmlEngravedLeftSingleQuotes = "&#8216;";

	var htmlEmDash = "&#8212;";

	var numOfCarriageReturns = 0;

	var numOfTradeMarks = 0;

	var numOfRegisteredTradeMarks = 0;

	var numOfCopyrights = 0;

	var numOfEngravedRightDoubleQuotes = 0;

	var numOfEngravedLeftDoubleQuotes = 0;

	var numOfEngravedRightSingleQuotes = 0;

	var numOfEngravedLeftSingleQuotes = 0;

	var numOfEmDash = 0;

	

	var tempString = targetString;

	// count number of carriage returns

	while (tempString.indexOf("\n")!=-1)

	{

		numOfCarriageReturns = numOfCarriageReturns+1;

		tempString = tempString.substring(tempString.indexOf("\n")+1);

	}

	

	// count number of trade mark symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfTradeMarks = numOfTradeMarks+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	// count number of registered trade mark symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfRegisteredTradeMarks = numOfRegisteredTradeMarks+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	// count number of copyright symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfCopyrights = numOfCopyrights+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	// count number of right engraved double quotes symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfEngravedRightDoubleQuotes = numOfEngravedRightDoubleQuotes+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	// count number of left engraved double quotes symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfEngravedLeftDoubleQuotes = numOfEngravedLeftDoubleQuotes+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	// count number of right engraved single quotes symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfEngravedRightSingleQuotes = numOfEngravedRightSingleQuotes+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	// count number of left engraved single quotes symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfEngravedLeftSingleQuotes = numOfEngravedLeftSingleQuotes+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	// count number of em dash symbol

	tempString = targetString;

	while (tempString.indexOf("?")!=-1)

	{

		numOfEmDash = numOfEmDash+1;

		tempString = tempString.substring(tempString.indexOf("?")+1);

	}

	

	

	var totalCharLength = 

		(targetString.length 

		- numOfCarriageReturns - numOfTradeMarks 

		- numOfRegisteredTradeMarks - numOfCopyrights 

		- numOfEngravedRightDoubleQuotes - numOfEngravedLeftDoubleQuotes

		- numOfEngravedRightSingleQuotes - numOfEngravedLeftSingleQuotes

		- numOfEmDash) 

		+ (numOfCarriageReturns * htmlCarriageReturn.length) 

		+ (numOfTradeMarks * htmlTradeMark.length)

		+ (numOfRegisteredTradeMarks * htmlRegisteredTradeMarks.length)

		+ (numOfCopyrights * htmlCopyrights.length)

		+ (numOfEngravedRightDoubleQuotes * htmlEngravedRightDoubleQuotes.length)

		+ (numOfEngravedLeftDoubleQuotes * htmlEngravedLeftDoubleQuotes.length)

		+ (numOfEngravedRightSingleQuotes * htmlEngravedRightSingleQuotes.length)

		+ (numOfEngravedLeftSingleQuotes * htmlEngravedLeftSingleQuotes.length)

		+ (numOfEmDash * htmlEmDash.length);

		

	return totalCharLength;

}



function isDateValid(day, month, year) {

 

	var dteDate=new Date(year,month,day);

	

	return ((day==dteDate.getDate()) && (month==dteDate.getMonth()) && (year==dteDate.getFullYear()));

 

} 



function isDocTxtPdfFile(fileInput)

{

	var ext = getFileExtension(fileInput);

	if( ext.toLowerCase() == ".pdf" || ext.toLowerCase() == ".txt" || ext.toLowerCase() == ".doc" || ext.toLowerCase() == ".docx") 

	{

		return false;

	} 

	return true;

}



function getFileExtension(inputId) 

{ 

	 var fileinput = inputId; 

	 if(!fileinput ) return ""; 

	 var filename = fileinput.value; 

	 if( filename.length == 0 ) return ""; 

	 var dot = filename.lastIndexOf("."); 

	 if( dot == -1 ) return ""; 

	 var extension = filename.substr(dot,filename.length);

	 return extension; 

}