// ================================================================
// PRE LOAD IMAGES
// ================================================================
function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// ================================================================
// NETSCAPE RESIZE FIX
// ================================================================

function reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.pgW=innerWidth; document.pgH=innerHeight; onresize=reloadPage; }}
  else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}
reloadPage(true);

// ================================================================
// LAYER RESIZE FIX
// ================================================================

function P7_ReDoIt() { //v1.21 by PVII
 if(document.layers) {reloadPage(false);}
}
// ================================================================
// POP UP WINDOW
// ================================================================
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
// ================================================================
// DISPLAY MESSAGE
// ================================================================
function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}
/*************************************************************************************
	VALIDATE.JS - Validation Routines                  
  ------------------------------------------------------------------------------------
                    M O D I F I C A T I O N    D E T A I L S
                   ------------------------------------------

  17.07.2001 LM		Initial Release
**************************************************************************************/

/*-----------------------------------------------------------------------------------
	VAR - Global Variables
  ----------------------------------------------------------------------------------*/


EMPTYINPUTTEXT        = " field is blank. Please enter a "

/*-----------------------------------------------------------------------------------
	TRIM - Trim Spaces from Specified String
	
	  Parameters: sSource   = Source String to Trim
  ----------------------------------------------------------------------------------*/

function trim(sSource) 
{
	return sSource.replace(/^\s{1,}/, "").replace(/\s{1,}$/, "")
}

/*-----------------------------------------------------------------------------------
	ISPOSITIVE - Check if a Positive Number
	
	  Parameters: sSource   = Source String to Trim
  ----------------------------------------------------------------------------------*/

function isPositive(sInput) 
{
   return (parseInt(sInput) > 0)
}

/*-----------------------------------------------------------------------------------
	isInIntRange - Check Input is in Specified Integer Range
	
	  Parameters: sSource   = Source Input Value
	              nMin      = Min Value
	              nMax      = Max Value
  ----------------------------------------------------------------------------------*/

function isInIntRange(sSource, nMin, nMax) 
{
   var returnVal = false
   var i 

   i = parseInt(sSource.value);

   if (!(i >= nMin) && (i <= nMax) | (sSource.value == "")) 
	returnVal = false
   else 
      returnVal = true
      
   return returnVal
}

/*-----------------------------------------------------------------------------------
	isNotNull - Check Input is Empty
	
	  Parameters: sSource   = Source String to Check
  ----------------------------------------------------------------------------------*/

function isNotNull(sSource) 
{
        if (sSource.length == 0 )
                return false
        else 
                return true
}

/*-----------------------------------------------------------------------------------
	isNotBlank - Check Input has a space entry
	
	  Parameters: sSource   = Source String to Check
  ----------------------------------------------------------------------------------*/

function isNotBlank(sSource) 
{
	  if (trim(sSource) == "") 
 	       return false
        else
		 return true
}

/*-----------------------------------------------------------------------------------
	isSize - Check Input is of correct length
	
	  Parameters: sSource   = Source String to Check
	              nSize     = Length
  ----------------------------------------------------------------------------------*/

function isSize(sSource, nSize) 
{
        if (sSource.length == nSize) 
                return true
        else
                return false
}

/*-----------------------------------------------------------------------------------
	isAllDigits - Check Input is All digits
	
	  Parameters: sSource   = Source String to Check
  ----------------------------------------------------------------------------------*/

function isDigits(sSource) 
{
        var i
        for (i = 0; i < sSource.length; i++) {
                mychar = sSource.charAt(i)
                if (mychar < "0" || mychar > "9")
                        return false
        }
        return true
}

/*-----------------------------------------------------------------------------------
	isNumeric - Check if a Numeric
	
	  Parameters: sSource   = Source String to Check
  ----------------------------------------------------------------------------------*/

function isNumeric(sSource) 
{
        numdecs = 0
        for (i = 0; i < sSource.length; i++) {
                mychar = sSource.charAt(i)
                if ((mychar >= "0" && mychar <= "9") || mychar 
                        == ".") {
                        if (mychar == ".")
                                numdecs++
                }
                else 
                        return false
        }
        if (numdecs > 1)
                return false    
                
  return true
}

/*-----------------------------------------------------------------------------------
	stripNonDigits - Strip Non Dihits from Input Source
	
	  Parameters: sSource   = Source String to Check
  ----------------------------------------------------------------------------------*/

function stripNonDigits(sSource) 
{
        var i
        var newstring = ""
        
        for (i = 0;  i < sSource.length; i++) {
                mychar = sSource.charAt(i)
                if (isDigits(mychar)) 
                        newstring += mychar
        }
        return newstring
}

/*-----------------------------------------------------------------------------------
	stripChars - Strip Specified Characters from Input Source
	
	  Parameters: sSource   = Source String to Check
  ----------------------------------------------------------------------------------*/

function stripChars(sSource, chars) 
{
        var i
        var newstring = ""

        for (i = 0;  i < sSource.length; i++) {
                mychar = sSource.charAt(i)
                if (chars.indexOf(mychar) == -1)
                        newstring += mychar
        }
        return newstring
}

/*-----------------------------------------------------------------------------------
	validateString - Validate String Mainline
	
	  Parameters: sSource   = Source String to Check
  ----------------------------------------------------------------------------------*/

function isValidString(fldInput) 
{
        if (isNotNull(fldInput.value) && isNotBlank(fldInput.value)) 
                return true
        else {
                return false
        }
}

/*-------------------------------------------------------------------------


----------------------------------------------------------------------*/
function checkEmail(fldInput) {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(fldInput)){
return (true)
}
return (false)
}

function emailCheck (emailStr) {
/* The following pattern is used to check if the entered e-mail address
   fits the user@domain format.  It also is used to separate the username
   from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special
   characters.  We don't want to allow special characters in the address. 
   These characters include ( ) < > @ , ; : \ " . [ ]    */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a 
   username or domainname.  It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
   which case, there are no rules about which characters are allowed
   and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
   is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
   rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
   e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
   non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
   For example, in john.doe@somewhere.com, john and doe are words.
   Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


/* Finally, let's start trying to figure out if the supplied address is
   valid. */

/* Begin with the coarse pattern to simply break up user@domain into
   different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't
     even fit the general mould of a valid e-mail address. */
	alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid 
if (user.match(userPat)==null) {
    // user is not valid
    alert("The username doesn't seem to be valid.")
    return false
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
   host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    return false
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding 
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   alert("The address must end in a three-letter domain, or two letter country.")
   return false
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}

// If we've gotten this far, everything's valid!
return true;
}