//function used to return the extension of the given file
function funCheckNumeric(strInput)
{
	strInput=String(strInput);
  if(strInput=="" || (strInput!="" && isNaN(strInput)))
   strOutput=0;
  else
   strOutput=strInput;
 
  return strOutput;
}

//function used to return the extension of the given file
function funCheckNullValue(strInput)
{
	if(strInput==null)
	 strOutput="";
	else
	 strOutput=strInput;

    alert(strOutput);

	return strOutput;
}

//function used to create the cookie with the given name
function createCookie(name,value,days){
 if (days) {
  var date = new Date();
  date.setTime(date.getTime()+(days*24*60*60*1000));
  var expires = "; expires="+date.toGMTString();
 }
 else var expires = "";
 document.cookie = name+"="+value+expires+"; path=/";
}

//function used to read the cookie value
function readCookie(name) {
 var nameEQ = name + "=";
 var ca = document.cookie.split(';');
 for(var i=0;i < ca.length;i++) {
  var c = ca[i];
  while (c.charAt(0)==' ') c = c.substring(1,c.length);
  if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
 }
 return null;
}

//function used to delete the given cookie
function eraseCookie(name) {
 createCookie(name,"",-1);
}



//function used to perform the array search for strings
function funChrArraySearch(arrInput,strElmnttoSrch)
{
   var BoolElmntExist= false;
   for(elmnt=0;elmnt<arrInput.length;elmnt++)
   {
	 //arrInput[elmnt]=trimAll(arrInput[elmnt]);
	 //strElmnttoSrch=trimAll(strElmnttoSrch);

     if(arrInput[elmnt]==strElmnttoSrch)
	  {
          BoolElmntExist= true;
		  break;
	  }
   }
  return BoolElmntExist;
}

//function used to check if the given date is valid or not
function funIsValidDate(strDate)
{
      var validate = false;
	   if(trimAll(strDate)!="")
	   {
		 var arrDate = strDate.split('/');
		 if(arrDate.length==3)
		 {
		   var month = trimAll(arrDate[0]);
		   var date= trimAll(arrDate[1]);
		   var year= trimAll(arrDate[2]);

		   //if(isNaN(month) || isNaN(date) || isNaN(year) || month.length!=2|| date.length!=2|| year.length!=4)
		   if(isNaN(month) || isNaN(date) || isNaN(year) ||year.length<2 || year.length>4|| year.length==3)
		   {           
			  validate = false;
		   }
		   else
			 {
			  month = parseFloat(month);
		      date= parseFloat(date);
		      year= parseFloat(year);

			   if(month>0 && month<=12 && date>0 && date<=31 && year>0)
			     validate = true;		
			 }
		}//arr length check ends
		
	  }//trimAll(strDate)!="" check ends
	  else
		  validate = true;

    return  validate;
}

function  validateString( strValue ) {
 var objRegExp  =  /(^[a-zA-Z]+$)/; 
  return objRegExp.test(strValue);
}
function  validateNumeric( strValue ) {
/******************************************************************************
DESCRIPTION: Validates that a string contains only valid numbers.

PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
******************************************************************************/
  var objRegExp  =  /(^-?\d\d*\.\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)/; 
 
  //check for numeric characters 
  return objRegExp.test(strValue);
}

function validateInteger( strValue ) {
/************************************************
DESCRIPTION: Validates that a string contains only 
    valid integer number.
    
PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
******************************************************************************/
  var objRegExp  = /(^-?\d\d*$)/;
 
  //check for integer characters
  return objRegExp.test(strValue);
}

function validateNotEmpty( strValue ) {
/************************************************
DESCRIPTION: Validates that a string is not all
  blank (whitespace) characters.
    
PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
*************************************************/
   var strTemp = strValue;
   strTemp = trimAll(strTemp);
   if(strTemp.length > 0){
     return true;
   }  
   return false;
}

function validateEmail( strValue) {
/************************************************
DESCRIPTION: Validates that a string contains a 
  valid email pattern. 
  
 PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
   
REMARKS: Accounts for email with country appended
  does not validate that email contains valid URL
  type (.com, .gov, etc.) and optionally,
  a valid country suffix.  Since email has many
  forms this expression only tests for near valid
  address.  Some additional validation may be
  required.
*************************************************/
var objRegExp  = /^[a-z0-9]([a-z0-9_\-\.]*)@([a-z0-9_\-\.]*)(\.[a-z]{2,3}(\.[a-z]{2}){0,2})$/i;
  //check for valid email
  return objRegExp.test(strValue);
}

function rightTrim( strValue ) {
/************************************************
DESCRIPTION: Trims trailing whitespace chars.
    
PARAMETERS:
   strValue - String to be trimmed.  
      
RETURNS:
   Source string with right whitespaces removed.
*************************************************/
var objRegExp = /^([\w\W]*)(\b\s*)$/;
 
      if(objRegExp.test(strValue)) {
       //remove trailing a whitespace characters
       strValue = strValue.replace(objRegExp, '$1');
    }
  return strValue;
}

function leftTrim( strValue ) {
/************************************************
DESCRIPTION: Trims leading whitespace chars.
    
PARAMETERS:
   strValue - String to be trimmed
   
RETURNS:
   Source string with left whitespaces removed.
*************************************************/
var objRegExp = /^(\s*)(\b[\w\W]*)$/;
 
      if(objRegExp.test(strValue)) {
       //remove leading a whitespace characters
       strValue = strValue.replace(objRegExp, '$2');
    }
  return strValue;
}

function trimAll( strValue ) {
/************************************************
DESCRIPTION: Removes leading and trailing spaces.

PARAMETERS: Source string from which spaces will
  be removed;

RETURNS: Source string with whitespaces removed.
*************************************************/ 
 var objRegExp = /^(\s*)$/;

    //check for all spaces
    if(objRegExp.test(strValue)) {
       strValue = strValue.replace(objRegExp, '');
       if( strValue.length == 0)
          return strValue;
    }
    
   //check for leading & trailing spaces
   objRegExp = /^(\s*)([\W\w]*)(\b\s*$)/;
   if(objRegExp.test(strValue)) {
       //remove leading and trailing whitespace characters
       strValue = strValue.replace(objRegExp, '$2');
    }
  return strValue;
}
function validateCurrency( strValue)  {
/************************************************
DESCRIPTION: Validates that a string contains a 
  valid currency format. 
  
 PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
*************************************************/
  var objRegExp = /(^\$\d{1,3}(,\d{3})*\.\d{2}$)|(^\(\$\d{1,3}(,\d{3})*\.\d{2}\)$)/;

  return objRegExp.test( strValue );
}

function validateTime ( strValue ) {
/************************************************
DESCRIPTION: Validates that a string contains a 
  valid 12 hour time format. Seconds are optional.
  
 PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.

REMARKS: Returns True for time formats such as:
  HH:MM or HH:MM:SS or HH:MM:SS.mmm (where the
  .mmm is milliseconds as used in SQL Server 
  datetime datatype.  Also, the .mmm portion will 
  accept 1 to 3 digits after the period)
*************************************************/
  var objRegExp = /^([1-9]|1[0-2]):[0-5]\d(:[0-5]\d(\.\d{1,3})?)?$/;

  return objRegExp.test( strValue );

}

function validateState (strValue ) {
/************************************************
DESCRIPTION: Validates that a string contains a 
  valid state abbreviation. 
  
 PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
*************************************************/

var objRegExp = /^(AK|AL|AR|AZ|CA|CO|CT|DC|DE|FL|GA|HI|IA|ID|IL|IN|KS|KY|LA|MA|MD|ME|MI|MN|MO|MS|MT|NB|NC|ND|NH|NJ|NM|NV|NY|OH|OK|OR|PA|RI|SC|SD|TN|TX|UT|VA|VT|WA|WI|WV|WY)$/i; 

  return objRegExp.test(strValue);
}

function validateSSN( strValue ) {
/************************************************
DESCRIPTION: Validates that a string contains a 
  valid social security number. 
  
 PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
*************************************************/
var objRegExp  = /^\d{3}\-\d{2}\-\d{4}$/;
 
  //check for valid SSN
  return objRegExp.test(strValue);

}

function validateUSPhone( strValue ) {
/************************************************
DESCRIPTION: Validates that a string contains valid
  US phone pattern. 
  Ex. (999) 999-9999 or (999)999-9999
  
PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
*************************************************/
  var objRegExp  = /^\([1-9]\d{2}\)\s?\d{3}\-\d{4}$/;
 
  //check for valid us phone with or without space between 
  //area code
  return objRegExp.test(strValue); 
}

function validateUSZip( strValue ) {
/************************************************
DESCRIPTION: Validates that a string a United
  States zip code in 5 digit format or zip+4
  format. 99999 or 99999-9999
    
PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.

*************************************************/
var objRegExp  = /(^\d{5}$)|(^\d{5}-\d{4}$)/;
 
  //check for valid US Zipcode
  return objRegExp.test(strValue);
}

function validateUSDate( strValue ) {
/************************************************
DESCRIPTION: Validates that a string contains only 
    valid dates with 2 digit month, 2 digit day, 
    4 digit year. Date separator can be ., -, or /.
    Uses combination of regular expressions and 
    string parsing to validate date.
    Ex. mm/dd/yyyy or mm-dd-yyyy or mm.dd.yyyy
    
PARAMETERS:
   strValue - String to be tested for validity
   
RETURNS:
   True if valid, otherwise false.
   
REMARKS:
   Avoids some of the limitations of the Date.parse()
   method such as the date separator character.
*************************************************/
  var objRegExp = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/
 
  //check to see if in correct format
  if(!objRegExp.test(strValue))
    return false; //doesn't match pattern, bad date
  else{
    var arrayDate = strValue.split(RegExp.$1); //split date into month, day, year
	var intDay = parseInt(arrayDate[1],10); 
	var intYear = parseInt(arrayDate[2],10);
    var intMonth = parseInt(arrayDate[0],10);
	
	//check for valid month
	if(intMonth > 12 || intMonth < 1) {
		return false;
	}
	
    //create a lookup for months not equal to Feb.
    var arrayLookup = { '01' : 31,'03' : 31, '04' : 30,'05' : 31,'06' : 30,'07' : 31,
                        '08' : 31,'09' : 30,'10' : 31,'11' : 30,'12' : 31}
  
    //check if month value and day value agree
    if(arrayLookup[arrayDate[0]] != null) {
      if(intDay <= arrayLookup[arrayDate[0]] && intDay != 0)
        return true; //found in lookup table, good date
    }
		
    //check for February
	var booLeapYear = (intYear % 4 == 0 && (intYear % 100 != 0 || intYear % 400 == 0));
    if( ((booLeapYear && intDay <= 29) || (!booLeapYear && intDay <=28)) && intDay !=0)
      return true; //Feb. had valid number of days
  }
  return false; //any other values, bad date
}

function validateValue( strValue, strMatchPattern ) {
/************************************************
DESCRIPTION: Validates that a string a matches
  a valid regular expression value.
    
PARAMETERS:
   strValue - String to be tested for validity
   strMatchPattern - String containing a valid
      regular expression match pattern.
      
RETURNS:
   True if valid, otherwise false.
*************************************************/
var objRegExp = new RegExp( strMatchPattern);
 
 //check if string matches pattern
 return objRegExp.test(strValue);
}


function removeCurrency( strValue ) {
/************************************************
DESCRIPTION: Removes currency formatting from 
  source string.
  
PARAMETERS: 
  strValue - Source string from which currency formatting
     will be removed;

RETURNS: Source string with commas removed.
*************************************************/
  var objRegExp = /\(/;
  var strMinus = '';
 
  //check if negative
  if(objRegExp.test(strValue)){
    strMinus = '-';
  }
  
  objRegExp = /\)|\(|[,]/g;
  strValue = strValue.replace(objRegExp,'');
  if(strValue.indexOf('$') >= 0){
    strValue = strValue.substring(1, strValue.length);
  }
  return strMinus + strValue;
}

function addCurrency( strValue ) {
/************************************************
DESCRIPTION: Formats a number as currency.

PARAMETERS: 
  strValue - Source string to be formatted

REMARKS: Assumes number passed is a valid 
  numeric value in the rounded to 2 decimal 
  places.  If not, returns original value.
*************************************************/
  var objRegExp = /-?[0-9]+\.[0-9]{2}$/;
   
    if( objRegExp.test(strValue)) {
      objRegExp.compile('^-');
      strValue = addCommas(strValue);
      if (objRegExp.test(strValue)){
        strValue = '($' + strValue.replace(objRegExp,'') + ')';
      }
      else {
        strValue = '$' + strValue;
      }
      return  strValue;
    }
    else
      return strValue;
}

function removeCommas( strValue ) {
/************************************************
DESCRIPTION: Removes commas from source string.

PARAMETERS: 
  strValue - Source string from which commas will 
    be removed;

RETURNS: Source string with commas removed.
*************************************************/
  var objRegExp = /,/g; //search for commas globally
 
  //replace all matches with empty strings
  return strValue.replace(objRegExp,'');
}

function addCommas( strValue ) {
/************************************************
DESCRIPTION: Inserts commas into numeric string.

PARAMETERS: 
  strValue - source string containing commas.
  
RETURNS: String modified with comma grouping if
  source was all numeric, otherwise source is 
  returned.
  
REMARKS: Used with integers or numbers with
  2 or less decimal places.
*************************************************/
  var objRegExp  = new RegExp('(-?[0-9]+)([0-9]{3})'); 

    //check for match to search criteria
    while(objRegExp.test(strValue)) {
       //replace original string with first group match, 
       //a comma, then second group match
       strValue = strValue.replace(objRegExp, '$1,$2');
    }
  return strValue;
}

function removeCharacters( strValue, strMatchPattern ) {
/************************************************
DESCRIPTION: Removes characters from a source string
  based upon matches of the supplied pattern.

PARAMETERS: 
  strValue - source string containing number.
  
RETURNS: String modified with characters
  matching search pattern removed
  
USAGE:  strNoSpaces = removeCharacters( ' sfdf  dfd', 
                                '\s*')
*************************************************/
 var objRegExp =  new RegExp( strMatchPattern, 'gi' );
 
 //replace passed pattern matches with blanks
  return strValue.replace(objRegExp,'');
}
/****function used to remove the white spaces beginning and end of the given string *******/
function trim(value)
{
	s=value;
	while(s.substr(0,1)==" ")
	{
		s=s.substr(1,s.length-1);
	}
	while(s.substr(s.length-1,1)==" ")
	{
		s=s.substr(0,s.length-2);
	}
	return (s);
}


//function used to validate multiple drop down datas
function  fun_checkMultipleselectdropdown_values(formname,ctrlname,selectedCountrynames)
{
	with(document.forms[formname])
	{
		if(selectedCountrynames!="")
		{
			for (var i=1; i < elements[ctrlname].options.length; i++)
			{
			optionValue =elements[ctrlname].options[i].value;
			if (selectedCountrynames.indexOf(optionValue)>=0)
			   elements[ctrlname].options[i].selected =true;
			}
		}
	}
}

//// function used to make all check boxes to be true or false
///by clicking the one common checkbox    
function fun_checkall(formname,parent_ctrlname,child_ctrlname,numofrows)
{
	with(document.forms[formname])
	{
      if(elements[parent_ctrlname].checked==true)
	  {
	   for(chkbx=1;chkbx<=numofrows;chkbx++)
	   {
	      chkbx_id=child_ctrlname+chkbx;
	     elements[chkbx_id].checked=true;
		}
	   }
	  else
	     {
	     for(chkbx=1;chkbx<=numofrows;chkbx++)
	      {
	       chkbx_id=child_ctrlname+chkbx;
	       elements[chkbx_id].checked=false;
		  }
		}
    }
}

//function used to find the checked boxes
function fun_find_checkedbox(formname,ctrlname,numofrows)
{
 with(document.forms[formname])
 {
  chkd=false;
  for(chkbx=1;chkbx<=numofrows;chkbx++)
  {
   chkbx_id=ctrlname+chkbx;
   if((elements[chkbx_id].checked==true))
	{        
     chkd=true; 
	 break;
	}
  }
 }
 return  chkd ;
}

///function used to submit the form if atleast one check box has been checked 
///when clicking on the delete button
function fun_DeleteMessages(formname,ctrlname,numofrows)
{
	if(fun_find_checkedbox(formname,ctrlname,numofrows)==false)
	{
		alert("Please select the messages to delete");
		return false;
	}
	else if (confirm("Are you sure want to delete this messages?"))
    {			
	 document.forms[formname].hdn_mode.value="delete";
	 document.forms[formname].submit();
	}
}
//function used to validate the  change password form when


/********** function used to printing pages starts******/
function printpreview()
{
document.getElementById("btn_close").style.display="none";
document.getElementById("btn_print").style.display="none";
var OLECMDID = 7;
/* OLECMDID values:
* 6 - print
* 7 - print preview
* 1 - open window
* 4 - Save As
*/
var PROMPT = 1; // 2 DONTPROMPTUSER 
var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
document.body.insertAdjacentHTML('beforeEnd', WebBrowser); 
WebBrowser1.ExecWB(OLECMDID, PROMPT);
WebBrowser1.outerHTML = "";
}
/********** function used to printing pages ends******/

function fnShowalert(){
	alert("Page under construction!!!");
}

function fnConfirmDelete()
{
  if (confirm("Are you sure you want to delete this category and its questions?")==true)
    return true;
  else
    return false;
}


function fnViewPopup(filename) {
	features = "top=20,left=140,width=600,height=650,resizable=no,scrollbars=yes";
	windowName = 'formTarget' + (new Date().getTime());
	open (filename , windowName, features);
}

function fnViewVideoPopup(filename) {

	features = "top=20,left=140,width=600,height=570,resizable=yes,scrollbars=yes";
	windowName = 'formTarget' + (new Date().getTime());
	open (filename , windowName, features);
}

function fnClearTextBox()
{
	with(document.forms["frmadminhome"])
	{
		txtFromDate.value="";
		txtToDate.value="";
		return false;
	}
}


function funcValidateCreditCardNum(CreditCardNum)
{
	var ccNumb=CreditCardNum;
	var valid = "0123456789";
	var len = ccNumb.length;  
	var iCCN = parseInt(ccNumb);  
	var sCCN = ccNumb.toString();  
	sCCN = sCCN.replace (/^\s+|\s+$/g,'');  
	var iTotal = 0;  
	var bNum = true;  
	var bResult = false;  
	var temp;  // temp variable for parsing string
	var calc;  // used for calculation of each digit


	// ccNumb is a number and the proper length - let's see if it is a valid card number
	if(len >= 13 && len <=16)
	{  // 15 or 16 for Amex or V/MC					
			for(var i=len;i>0;i--)
				{  // LOOP throught the digits of the card
					  calc = parseInt(iCCN) % 10;  // right most digit
					  calc = parseInt(calc);  // assure it is an integer
					  iTotal += calc;  // running total of the card number as we loop - Do Nothing to first digit
					  i--;  // decrement the count - move to the next digit in the card
					  iCCN = iCCN / 10;                               // subtracts right most digit from ccNumb
					  calc = parseInt(iCCN) % 10 ;    // NEXT right most digit
					  calc = calc *2;                                 // multiply the digit by two
					  // Instead of some screwy method of converting 16 to a string and then parsing 1 and 6 and then adding them to make 7,
					  // I use a simple switch statement to change the value of calc2 to 7 if 16 is the multiple.
					  switch(calc)
					  {
						case 10: calc = 1; break;       //5*2=10 & 1+0 = 1
						case 12: calc = 3; break;       //6*2=12 & 1+2 = 3
						case 14: calc = 5; break;       //7*2=14 & 1+4 = 5
						case 16: calc = 7; break;       //8*2=16 & 1+6 = 7
						case 18: calc = 9; break;       //9*2=18 & 1+8 = 9
						default: calc = calc;           //4*2= 8 &   8 = 8  -same for all lower numbers
					  }                                               
					iCCN = iCCN / 10;  // subtracts right most digit from ccNum
					iTotal += calc;  // running total of the card number as we loop
				}  // END OF LOOP
		  if(! ((iTotal%10)==0))
			{
				//alert("Please enter valid credit card number");
				//document.getElementById("txt_CreditCardNum").focus();
				return false;
			}	
	}	
	else
	{
		//alert("Please enter valid credit card number");
		//document.getElementById("txt_CreditCardNum").focus();
		return false;
	}
}