function isEmpty(val){
	if (Trim(val)==""){return true;}else{return false;}
}

function Trim(str){
	if(str) {
		while (str.substring(0,1) == ' '){str = str.substring(1, str.length);}
		while (str.substring(str.length-1,str.length) == ' '){str = str.substring(0, str.length-1);}
		return str;
	} else return "";
}

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.) or valid country suffix.
*************************************************/
/*var objRegExp  =
 /(^[a-zA-Z0-9]([a-zA-Z0-9_\.]*)@([a-zA-Z0-9_\.]*)([.][a-z]{3})$)|(^[a-z]([a-z_\.]*)@([a-z_\.]*)(\.[a-z]{3})(\.[a-z]{2})*$)/i;

  //check for valid email
  return objRegExp.test(strValue);
  */

return /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/.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  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 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 strSeparator = strValue.substring(2,3)
    var arrayDate = strValue.split(strSeparator);
    //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}
    var intDay = parseInt(arrayDate[1],10);

    //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 (bugfix 20050322)
    //bugfix  for parseInt kevin
    //bugfix  biss year  O.Jp Voutat
    var intMonth = parseInt(arrayDate[0],10);
    if (intMonth == 2) {
       var intYear = parseInt(arrayDate[2]);
       if (intDay > 0 && intDay < 29) {
           return true;
       }
       else if (intDay == 29) {
         if ((intYear % 4 == 0) && (intYear % 100 != 0) ||
             (intYear % 400 == 0)) {
              // year div by 4 and ((not div by 100) or div by 400) ->ok
             return true;
         }
       }
    }
  }
  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 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 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,'') + ')';
      }
      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,'');
}







// If javascript is enabled, make the menu invisible until the proper mouseovers have been defined and give special styles to the submenus
if (document.getElementById && document.getElementsByTagName) {
	document.write("<link type=\"text/css\" rel=\"stylesheet\" href=\"jsmenustyle.css\" />");
}

//window.onload = init;

function init() {
	if (document.getElementById && document.getElementsByTagName) {
		var myMenu = document.getElementById("menu").getElementsByTagName("A");
		if (!myMenu) { return; }
		else {
			for (var i=0;i<myMenu.length;i++) {
				myMenu[i].onmouseover = navHoverStyle;
				myMenu[i].onfocus = navHoverStyle;
			}
			document.getElementById("menu").style.visibility = "visible";
		}
	}
}

// Stores the currently open UL objects
var openMenus = new Array();

// Stores the timer for closing the menu
var navTimer;

function navHoverStyle(e) {
	if (!e) var e = window.event;
	if (e.target) var tg = e.target;
	else if (e.srcElement) var tg = e.srcElement;

	var linkElm = tg;
	while (linkElm.nodeName != 'A')
		linkElm.parentNode;

	while (tg.nodeName != 'LI')
		tg = tg.parentNode;

	// Determine if and if so, which submenu items to close
	var tgParent = tg.parentNode;
	while (tgParent.nodeName != 'UL')
		tgParent = tgParent.parentNode;

	if (tgParent.id == 'menu') {
		closeAll(0);
	}
	else {
		var j=0;
		while (openMenus[j] != tgParent) {
			j++;
		}
		closeAll(j+1);
	}

	// Determine if the current item has a submenu and if so, open it
	for ( var i=0;i<tg.childNodes.length;i++) {
		if ( tg.childNodes[i].nodeName == 'UL') {
			var subMenuElm = tg.childNodes[i];
		}
	}

	if (subMenuElm) {
		linkElm.className = 'unfolded';
		subMenuElm.style.display = 'block';
		openMenus.push(subMenuElm);
	}

	// Set the timer
	checkNavTimer();

	return false;
}

function checkNavTimer() {
	if (navTimer) clearTimeout(navTimer);
	navTimer = setTimeout('closeAll(0)',5000);
}

function closeAll(lvl) {
	var oMl = openMenus.length-1;
	for ( var i=oMl;i>=lvl;i--) {
		var linkElm = openMenus[i].previousSibling;
		while (linkElm.nodeName != 'A')
			linkElm = linkElm.previousSibling;

		linkElm.className = '';
		openMenus[i].style.display = 'none';
		openMenus.pop();
	}
}

function addBasket(id)
{
//if(validateInteger(id))
//	{

	 $.ajax(
			 {
				type: "POST", url: "/ajax/basket/addToBasket.php", data: "id="+id,
				success:
				function(msg)
				{
					getBasketStatus();
					 alert('The item has been successfully added!');

				}
			 });
//	}
}

function getBasketStatus()
{
			$.ajax(
			 {
				type: "POST", url: "/ajax/basket/viewBasketStatus.php", data: "",
				success:
				function(msg)
				{
					$("div#cart").html(msg);
				}
			 });
}


    function showSignatureWindow()
    {
         var sigWnd = document.getElementById("signature");
         var disWnd = document.getElementById("disable_document");
         var wwidth=(window.innerWidth)?window.innerWidth:
             ((document.all)?document.body.offsetWidth:null);
         var wheight=(window.innerHeight)?window.innerHeight:
              ((document.all)?document.body.offsetHeight:null);
         var scroll = document.body.scrollTop;
         sigWnd.style.left = Math.round(wwidth/2) - 200;
         sigWnd.style.top = Math.round(wheight/2) + scroll-150;
         disWnd.style.width = document.body.scrollWidth;
         disWnd.style.height = document.body.scrollHeight;
         disWnd.style.display = 'block';
         sigWnd.style.display = 'block';
         document.body.scrollTop = scroll;
    }

    function hideSignatureWindow()
    {
         var sigWnd = document.getElementById("signature");
         var disWnd = document.getElementById("disable_document");
         disWnd.style.display = 'none';
         sigWnd.style.display = 'none';
    }


		var default_signature_action = '<a href="javascript: hideSignatureWindow(); void(0);" title="Close"><img src="/img/close.png" width="14" height="14" border="0" alt="Close" title="Close"></a>';