function validateCurrency( strValue)  {
  var objRegExp = /(^\$\d{1,3}(,\d{3})*\.\d{2}$)|(^\(\$\d{1,3}(,\d{3})*\.\d{2}\)$)/;

  return objRegExp.test( strValue );
}

function validateTime ( strValue ) {
  var objRegExp = /^([1-9]|1[0-2]):[0-5]\d(:[0-5]\d(\.\d{1,3})?)?$/;

  return objRegExp.test( strValue );
}

function validateEmail( strValue) {
var objRegExp  = /^[a-z0-9]([a-z0-9_\-\.]*)@([a-z0-9_\-\.]*)(\.[a-z]{2,3}(\.[a-z]{2}){0,2})$/i;
  return objRegExp.test(strValue);
}

function validateUSPhone( strValue ) {
  var objRegExp  = /^\([1-9]\d{2}\)\s?\d{3}\-\d{4}$/;
  return objRegExp.test(strValue); 
}

function  validateNumeric( strValue ) {
  var objRegExp  =  /(^-?\d\d*\.\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)/; 
  return objRegExp.test(strValue);
}

function validateInteger( strValue ) {
  var objRegExp  = /(^-?\d\d*$)/;
  return objRegExp.test(strValue);
}

function validateNotEmpty( strValue ) {
   var strTemp = strValue;
   strTemp = trimAll(strTemp);
   if(strTemp.length > 0){
     return true;
   }  
   return false;
}

function SetTextIn(control)
{        
    if (trim(control.value) == 'Additional Item')
    {
        control.value = '';
    }    
}

function SetTextOut(control)
{
    if(trim(control.value) == '') 
    {
        control.value = 'Additional Item';
    }            
}

function ClearNoValue(control) {

    if(control.value == "$")
    {
        control.value = ""
    }
}

function GetDollar(control)
{
    if(control.value == "")
    {
        control.value = "$"
    }
}

function validateUSZip( strValue ) {
  var objRegExp  = /(^\d{5}$)|(^\d{5}-\d{4}$)/;
  return objRegExp.test(strValue);
}

function validateUSDate( strValue ) {
  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 ) {
 var objRegExp = new RegExp( strMatchPattern);
 return objRegExp.test(strValue);
}


function rightTrim( strValue ) {
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 ) {
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 ) {
 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 trim(strValue) {
	return strValue.replace(/^\s+|\s+$/g,"");
}

function removeCurrency( strValue ) {
  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 ) {
  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 ) {
  var objRegExp = /,/g; //search for commas globally
 
  //replace all matches with empty strings
  return strValue.replace(objRegExp,'');
}

function addCommas( strValue ) {
  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 ) {
 var objRegExp =  new RegExp( strMatchPattern, 'gi' );
 //replace passed pattern matches with blanks
  return strValue.replace(objRegExp,'');
}

function validatePostCode(toCheck){

  // Permitted letters depend upon their position in the postcode.
  var alpha1 = "[abcdefghijklmnoprstuwyz]";                       // Character 1
  var alpha2 = "[abcdefghklmnopqrstuvwxy]";                       // Character 2
  var alpha3 = "[abcdefghjkstuw]";                                // Character 3
  var alpha4 = "[abehmnprvwxy]";                                  // Character 4
  var alpha5 = "[abdefghjlnpqrstuwxyz]";                          // Character 5
  

  // Array holds the regular expressions for the valid postcodes
  var pcexp = new Array ();

  // Expression for postcodes: AN NAA, ANN NAA, AAN NAA, and AANN NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1,2})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
  
  // Expression for postcodes: ANA NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}[0-9]{1}" + alpha3 + "{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));

  // Expression for postcodes: AANA  NAA
  pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1}" + alpha4 +"{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
  
  // Exception for the special postcode GIR 0AA
  pcexp.push (/^(GIR)(\s*)(0AA)$/i);
  
  // Standard BFPO numbers
  pcexp.push (/^(bfpo)(\s*)([0-9]{1,4})$/i);
  
  // c/o BFPO numbers
  pcexp.push (/^(bfpo)(\s*)(c\/o\s*[0-9]{1,3})$/i);

  // Load up the string to check
  var postCode = toCheck;

  // Assume we're not going to find a valid postcode
  var valid = false;
  
  // Check the string against the types of post codes
  for ( var i=0; i<pcexp.length; i++) {
    if (pcexp[i].test(postCode)) {
    
      // The post code is valid - split the post code into component parts
      pcexp[i].exec(postCode);
      
      // Copy it back into the original string, converting it to uppercase and
      // inserting a space between the inward and outward codes
      postCode = RegExp.$1.toUpperCase() + " " + RegExp.$3.toUpperCase();
      
      // If it is a BFPO c/o type postcode, tidy up the "c/o" part
      postCode = postCode.replace (/C\/O\s*/,"c/o ");
      
      // Load new postcode back into the form element
      valid = true;
      
      // Remember that we have found that the code is valid and break from loop
      break;
    }
  }
  
  // Return with either the reformatted valid postcode or the original invalid 
  // postcode
  if (valid) {return postCode;} else return false;
}

function confirmSubmit(){
    var doc = document.forms[0];
    var msg = "If you are sure that you have provided all the correct information, click the Yes button?";
    if (confirm(msg))
    {
        doc.submit();
    } 
}


// written by Dean Edwards, 2005
// with input from Tino Zijdel, Matthias Miller, Diego Perini

// http://dean.edwards.name/weblog/2005/10/add-event/

function addEvent(element, type, handler) {
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		// assign each event handler a unique ID
		if (!handler.$$guid) handler.$$guid = addEvent.guid++;
		// create a hash table of event types for the element
		if (!element.events) element.events = {};
		// create a hash table of event handlers for each element/event pair
		var handlers = element.events[type];
		if (!handlers) {
			handlers = element.events[type] = {};
			// store the existing event handler (if there is one)
			if (element["on" + type]) {
				handlers[0] = element["on" + type];
			}
		}
		// store the event handler in the hash table
		handlers[handler.$$guid] = handler;
		// assign a global event handler to do all the work
		element["on" + type] = handleEvent;
	}
};
// a counter used to create unique IDs
addEvent.guid = 1;

function removeEvent(element, type, handler) {
	if (element.removeEventListener) {
		element.removeEventListener(type, handler, false);
	} else {
		// delete the event handler from the hash table
		if (element.events && element.events[type]) {
			delete element.events[type][handler.$$guid];
		}
	}
};

function handleEvent(event) {
	var returnValue = true;
	// grab the event object (IE uses a global event object)
	event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
	// get a reference to the hash table of event handlers
	var handlers = this.events[event.type];
	// execute each event handler
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
};

function fixEvent(event) {
	// add W3C standard event methods
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};

fixEvent.preventDefault = function() {
	this.returnValue = false;
};

fixEvent.stopPropagation = function() {
	this.cancelBubble = true;
};

function LockedA(e) {
        
    if(window.event) // IE
    {
        if(e.keyCode == 9){return true;}
    }
    else if(e.which) // Netscape/Firefox/Opera
    {
        if(e.which == 9) {return true;}
    }
        
    return false;        
}

function LockedB(e) {
        
    if(window.event) // IE
    {
        if(e.keyCode == 9){return true;}
    }
    else if(e.which) // Netscape/Firefox/Opera
    {
        if(e.which == 9) {return true;}
    }
        
    return false;        
}

function NumbersOnly(e) {
    var keynum
    var keychar

    if(window.event) // IE
    {
        keynum = e.keyCode
    }
        else if(e.which) // Netscape/Firefox/Opera
    {
        keynum = e.which
    }
        
    keychar = String.fromCharCode(keynum)        
    return !isNaN(keychar)
}