function isDateString(stringValue, stringError) {

      // this function is designed to mimic the "date" portion of the
      // VBScript IsDate() function, allowing dates to be validated
      // with JavaScript in browsers before you run into a problem
      // in ASP pages with date database columns or the VBScript
      // CDate() function; an exception is that string months
      // ("Jan," etc.) are not accepted
      
      // this function does not handle BC dates or dates past 12/31/9999
      
      // you obviously want to strip the comments from production scripts
      
      // create a String object
      var theString = new String(stringValue);
      
      // determine the delimiter character (must be "/" "-" or space)
      var delimiterCharacter
      if ( theString.indexOf('/') > 0 )
         delimiterCharacter = '/';
      else
         if ( theString.indexOf('-') > 0 )
            delimiterCharacter = '-';
         else
            if ( theString.indexOf('.') > 0 )
               delimiterCharacter = '.';
            else
               return false;
               
      // split the string into an array of tokens
      var theTokens = theString.split(delimiterCharacter);
      
      // there must be either two or three tokens
      if ( theTokens.length < 2 || theTokens.length > 3 )
         return false;
      
      // convert the tokens to String objects, which will be needed later,
      // stripping a single leading 0
      var tokenIndex;
      for ( tokenIndex = 0; tokenIndex < theTokens.length; tokenIndex++ ) {
         theTokens[tokenIndex] = new String(theTokens[tokenIndex])         
         if ( theTokens[tokenIndex].charAt(0) == '0' )
            theTokens[tokenIndex] = theTokens[tokenIndex].substring(1, theTokens[tokenIndex].length);
      }

      // all of the tokens must be positive integers
      for ( tokenIndex = 0; tokenIndex < theTokens.length; tokenIndex++ ) {
         if ( ! isNonnegativeInteger(theTokens[tokenIndex]) )
            return false;
      }
      
      // we need to identify the year, month, and day tokens
      var numericValue;
      var yearTokenIndex = -1;
      var monthTokenIndex = -1;
      var dayTokenIndex = -1;
      for ( tokenIndex = 0; tokenIndex < theTokens.length; tokenIndex++ ) {
               
         // convert the value
         numericValue = parseInt(theTokens[tokenIndex], 10);
               
         // could this token be a month?
         if ( numericValue <= 12 ) {
               
            // yes; do we already have a month?
            if ( monthTokenIndex == -1 ) {
                  
               // no; assign this token to the month and continue
               monthTokenIndex = tokenIndex;
               continue;
            }
            else {
                     
               // we already have a month; this token could
               // also be the day; do we already have a day?
               if ( dayTokenIndex == -1 ) {
                  
                  // no; assign this token to the day and continue
                  dayTokenIndex = tokenIndex;
                  continue;
               }
               else {
                     
                  // we already have a day; this token could
                  // also be the year; do we alreay have a year?
                  if ( yearTokenIndex == -1 ) {
                  
                     // no; assign this token to the year and continue
                     dayTokenIndex = tokenIndex;
                     continue;
                  }
               }
            }
         }
         else {
                  
            // the value is too large for a month;
            // could this token be a day?
            if ( numericValue <= 31 ) {
                  
               // yes; do we already have a day?
               if ( dayTokenIndex == -1 ) {
                  
                  // no; assign this token to the day and continue
                  dayTokenIndex = tokenIndex;
                  continue;
               }
               else {
                     
                  // we already have a day; this token could
                  // also be the year; do we alreay have a year?
                  if ( yearTokenIndex == -1 ) {
                  
                     // no; assign this token to the year and continue
                     dayTokenIndex = tokenIndex;
                     continue;
                  }
               }
            }
            else {
                  
               // the value is too large for a day;
               // could this token be a year?
               if ( numericValue <= 9999 ) {
               
                  // yes; do we already have a year?
                  if ( yearTokenIndex == -1 ) {
                  
                     // no; assign this token to the year
                     yearTokenIndex = tokenIndex;
                  }
               }
            }
         }
      }   // end of for loop
      
      // evaluate, based on the number of tokens
      if ( theTokens.length == 2 ) {
         
         // two tokens can be either a month/year combination or a month/day
         // combination with the current year assumed; either way, we must have
         // a month
         if ( monthTokenIndex == -1 )
            
            // no month
            return false;
            
         // do we have a year?
         if ( ! (yearTokenIndex == -1) ) {
         
            // yes; month/year combination; must be okay
            return true;
         }
         else
            
            // no year; do we have a day?
            if ( ! (dayTokenIndex == -1) ) {
            
               // yes; month/day combination; get the current year
               var today = new Date();
               var currentYear = today.getYear();

               // make sure it's a valid date (we were testing days using
               // 31, and that might be too many for the month)
               return isDate(currentYear, theTokens[monthTokenIndex], theTokens[dayTokenIndex]);
            }
            else
            
               // we have neither a year nor a day
               return false;
      }
      else {
         
         // three tokens; we should have found tokens for year, month, and day
         if ( yearTokenIndex == -1 || monthTokenIndex == -1 || dayTokenIndex == -1 )
            
            // missing one or more
            return false;
         else
            
            // found all; however, VBScript can only handle the following sequences
            if ( monthTokenIndex == 0 ) {
            
               // must be m/d/y
               if ( dayTokenIndex != 1 || yearTokenIndex != 2)
                  return false;
            }
            else
               if ( dayTokenIndex == 0 ) {
            
                  // must be d/m/y
                  if ( monthTokenIndex != 1 || yearTokenIndex != 2)
                     return false;
               }
               else
                  if ( yearTokenIndex == 0 ) {
            
                     // must be y/m/d
                     if ( monthTokenIndex != 1 || dayTokenIndex != 2)
                        return false;
                  }
                  else
                  
                     // something is wrong
                     return false;
            
            // make sure it's a valid date (we were testing days using a value
            // of 31, and that might be too many for the actual month)
            return isDate(theTokens[yearTokenIndex], theTokens[monthTokenIndex], theTokens[dayTokenIndex]);
      }
   }

   function isTimeString(stringValue) {

      // this function is designed to mimic the "time" portion of the
      // VBScript IsDate() function, allowing times to be validated
      // with JavaScript in browsers before you run into a problem
      // in ASP pages with date database columns or the VBScript
      // CDate() function
      
      // you obviously want to strip the comments from production scripts
      // and place this function in the library file

      // create a String object
      var theString = new String(stringValue);
      
      // the string must have either two (hours and minutes) or three
      // (hours, minutes and seconds) tokens, delimited by ":";
      // split the string into an array of tokens
      var theTokens = theString.split(':');
      if ( theTokens.length < 2 || theTokens.length > 3 )
         return false;
      
      // convert the tokens to String objects, which will be needed later,
      // stripping whitespace
      var firstToken = new String(theTokens[0])
      firstToken = trim(firstToken);
      var middleToken;
      if ( theTokens.length == 3 ) {
         middleToken = new String(theTokens[1])
         middleToken = trim(middleToken);
      }
      var lastToken = new String(theTokens[theTokens.length - 1])
      lastToken = trim(lastToken);

      // the first token (hours) must be an integer between 0 and 23
      if ( ! isInteger(firstToken) )
         return false;
      if ( ! isIntegerInRange(firstToken, 0, 23) )
         return false;
      
      // are there three tokens?
      if ( theTokens.length == 3 ){
      
         // the middle token (minutes) must be an integer between 0 and 59
         if ( ! isInteger(middleToken) )
            return false;
         if ( ! isIntegerInRange(middleToken, 0, 59) )
            return false;
      }
         
      // the first one or two characters of the last token (either minutes
      // and optional am/pm indicator or seconds and am/pm indicator) must
      // be digits
      if ( ! isDigit(lastToken.charAt(0)) )
         return false;
      
      // the first character is a digit; split the last token into the minutes
      // or seconds value and the indicator; depending on the second character
      var lastValue;
      var ampmIndicator;
      if ( isDigit(lastToken.charAt(1)) ) {
         lastValue = new String(lastToken.substring(0, 2));
         if ( lastToken.length >= 3 )
            ampmIndicator = new String(trim(lastToken.substring(2, lastToken.length)));
         else
            ampmIndicator = new String();
      }
      else {
         lastValue = new String(lastToken.substring(0, 1));
         if ( lastToken.length >= 2 )
            ampmIndicator = new String(trim(lastToken.substring(1, lastToken.length)));
         else
            ampmIndicator = new String();
      }
      ampmIndicator = ampmIndicator.toUpperCase();
      
      // the last value must be between 0 and 59
      if ( ! isIntegerInRange(lastValue, 0, 59) )
         return false;
      
      // check the am/pm indicator, if there is one
      if ( ampmIndicator.length > 0 )
         if ( ! ( ampmIndicator == "AM" || ampmIndicator == "PM" ) )
            return false;
            
      // valid time
      return true;
   }

   // most of the following was derived from Netscape's FormChek.js
   // library, which should be reviewed for documentation and comments

   var daysInMonth = makeArray(12);
   daysInMonth[1] = 31;
   daysInMonth[2] = 29;
   daysInMonth[3] = 31;
   daysInMonth[4] = 30;
   daysInMonth[5] = 31;
   daysInMonth[6] = 30;
   daysInMonth[7] = 31;
   daysInMonth[8] = 31;
   daysInMonth[9] = 30;
   daysInMonth[10] = 31;
   daysInMonth[11] = 30;
   daysInMonth[12] = 31;

   var whitespace = " \t\n\r";

   function charInString(c, s) {
      for (i = 0; i < s.length; i++) {
         if (s.charAt(i) == c)
            return true;
       }
       return false
   }

   function daysInFebruary(year) {
       return ( ((year % 4 == 0) && ((!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
   }

   function isDate(year, month, day) {
       if ( ! ( isYear(year) && isMonth(month) && isDay(day) ) ) return false;
       var intYear = parseInt(year);
       var intMonth = parseInt(month);
       var intDay = parseInt(day);
       if ( intDay > daysInMonth[intMonth] ) return false; 
       if ( ( intMonth == 2 ) && ( intDay > daysInFebruary(intYear) ) ) return false;
       return true;
   }

   function isDay(s) {
       return isIntegerInRange(s, 1, 31);
   }

   function isDigit(c) {
      return ( ( c >= "0" ) && ( c <= "9" ) )
   }

   function isInteger(s) {
      var i;
       for ( i = 0; i < s.length; i++ )
       {   
           var c = s.charAt(i);
           if ( ! isDigit(c) ) return false;
       }
       return true;
   }

   function isIntegerInRange(s, a, b) {
       if ( ! isInteger(s) ) return false;
       var num = parseInt (s);
       return ( ( num >= a ) && ( num <= b ) );
   }

   function isMonth(s) {
       return isIntegerInRange (s, 1, 12);
   }

   function isNonnegativeInteger(s) {
       return ( isSignedInteger(s) && ( parseInt(s) >= 0 ) );
   }

   function isSignedInteger(s) {
       var startPos = 0;
       if ( ( s.charAt(0) == "-" ) || ( s.charAt(0) == "+" ) )
          startPos = 1;    
       return ( isInteger(s.substring(startPos, s.length)) )
   }

   function isYear(s) {
      if ( ! isNonnegativeInteger(s) ) return false;
       return ( (s.length == 2) || (s.length == 4) );
   }

   function lTrim(s) {
      var i = 0;
       while ( (i < s.length) && charInString(s.charAt(i), whitespace) )
          i++;
       return s.substring(i, s.length);
   }

   function makeArray(n) {
      for ( var i = 1; i <= n; i++ ) {
         this[i] = 0
      } 
      return this
   }

   function rTrim(s) {
      var i = 0;
       while ( (i < s.length) && charInString(s.charAt(i), whitespace) )
          i++;
       return s.substring(i, s.length);
   }

   function trim(s) {
      return lTrim(rTrim(s));
   }

function keyCheck(eventObj, obj)
{
   var keyCode

   // Check For Browser Type
   if (document.all){ 
      keyCode=eventObj.keyCode
   }
   else{
      keyCode=eventObj.which
   }

   var str=obj.value

   if(keyCode==46){ 
      if (str.indexOf(".")>0){
         return false
      }
   }

   if((keyCode<48 || keyCode >58)   &&   (keyCode != 46)){ // Allow only integers and decimal points
      return false
   }

   return true
}

function keyCheck_tel(eventObj, obj)
{
   var keyCode

   // Check For Browser Type
   if (document.all){ 
      keyCode=eventObj.keyCode
   }
   else{
      keyCode=eventObj.which
   }

   var str=obj.value

   if(keyCode==46){ 
      if (str.indexOf(".")>0){
         return false
      }
   }

   if((keyCode<48 || keyCode >58) && (keyCode != 46)  && (keyCode != 40) && (keyCode != 41) && (keyCode != 43) && (keyCode != 32) && (keyCode != 45)){ // Allow only integers and decimal points
      return false
   }

   return true
}