function checkIpAddr(field, msg)
{
  if (field.value=="") {
	alert("IP address cannot be empty! It should be filled with 4 digit numbers as xxx.xxx.xxx.xxx.");
	field.value = field.defaultValue;
	field.focus();
	return false;
  }
   if ( validateKey(field.value) == 0) {
      alert(msg + ' value. It should be the decimal number (0-9).');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,1,0,255) ) {
      alert(msg+' range in 1st digit. It should be 0-255.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,2,0,255) ) {
      alert(msg + ' range in 2nd digit. It should be 0-255.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,3,0,255) ) {
      alert(msg + ' range in 3rd digit. It should be 0-255.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,4,1,254) ) {
      alert(msg + ' range in 4th digit. It should be 1-254.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   return true;
}

function validateKey(str)
{
   for (var i=0; i<str.length; i++) {
    if ( (str.charAt(i) >= '0' && str.charAt(i) <= '9') ||
    		(str.charAt(i) == '.' ) )
			continue;
	return 0;
  }
  return 1;
}

function checkDigitRange(str, num, min, max)
{
  d = getDigit(str,num);
  if ( d > max || d < min )
      	return false;
  return true;
}

function getDigit(str, num)
{
  i=1;
  if ( num != 1 ) {
  	while (i!=num && str.length!=0) {
		if ( str.charAt(0) == '.' ) {
			i++;
		}
		str = str.substring(1);
  	}
  	if ( i!=num )
  		return -1;
  }
  for (i=0; i<str.length; i++) {
  	if ( str.charAt(i) == '.' ) {
		str = str.substring(0, i);
		break;
	}
  }
  if ( str.length == 0)
  	return -1;
  d = parseInt(str, 10);
  return d;
}

function skip () { this.blur(); }

function disableTextField (field) {
  if (document.all || document.getElementById)
    field.disabled = true;
  else {
    field.oldOnFocus = field.onfocus;
    field.onfocus = skip;
  }
}

function enableTextField (field) {
  if (document.all || document.getElementById)
    field.disabled = false;
  else {
    field.onfocus = field.oldOnFocus;
  }
}

function disableButton (button) {
  //if (verifyBrowser() == "ns")
  //	return;
  if (document.all || document.getElementById)
    button.disabled = true;
  else if (button) {
    button.oldOnClick = button.onclick;
    button.onclick = null;
    button.oldValue = button.value;
    button.value = 'DISABLED';
  }
}

function enableButton (button) {
  //if (verifyBrowser() == "ns")
  //	return;
  if (document.all || document.getElementById)
    button.disabled = false;
  else if (button) {
    button.onclick = button.oldOnClick;
    button.value = button.oldValue;
  }
}

//ntp.htm and wizard-ntp.htm
var ntp_zone_index=4;

function ntp_entry(name, value) { 
	this.name = name ;
	this.value = value ;
} 

var ntp_zone_array=new Array(65);
ntp_zone_array[0]=new ntp_entry("(GMT-12:00)Eniwetok, Kwajalein","12 1");
ntp_zone_array[1]=new ntp_entry("(GMT-11:00)Midway Island, Samoa","11 1");
ntp_zone_array[2]=new ntp_entry("(GMT-10:00)Hawaii", "10 1");
ntp_zone_array[3]=new ntp_entry("(GMT-09:00)Alaska", "9 1");
ntp_zone_array[4]=new ntp_entry("(GMT-08:00)Pacific Time (US & Canada); Tijuana", "8 1");
ntp_zone_array[5]=new ntp_entry("(GMT-07:00)Arizona", "7 1");
ntp_zone_array[6]=new ntp_entry("(GMT-07:00)Mountain Time (US & Canada)", "7 2");
ntp_zone_array[7]=new ntp_entry("(GMT-06:00)Central Time (US & Canada)", "6 1");
ntp_zone_array[8]=new ntp_entry("(GMT-06:00)Mexico City, Tegucigalpa", "6 2");
ntp_zone_array[9]=new ntp_entry("(GMT-06:00)Saskatchewan", "6 3");
ntp_zone_array[10]=new ntp_entry("(GMT-05:00)Bogota, Lima, Quito", "5 1");
ntp_zone_array[11]=new ntp_entry("(GMT-05:00)Eastern Time (US & Canada)", "5 2");
ntp_zone_array[12]=new ntp_entry("(GMT-05:00)Indiana (East)", "5 3");
ntp_zone_array[13]=new ntp_entry("(GMT-04:00)Atlantic Time (Canada)", "4 1");
ntp_zone_array[14]=new ntp_entry("(GMT-04:00)Caracas, La Paz", "4 2");
ntp_zone_array[15]=new ntp_entry("(GMT-04:00)Santiago", "4 3");
ntp_zone_array[16]=new ntp_entry("(GMT-03:30)Newfoundland", "3 1");
ntp_zone_array[17]=new ntp_entry("(GMT-03:00)Brasilia", "3 2");
ntp_zone_array[18]=new ntp_entry("(GMT-03:00)Buenos Aires, Georgetown", "3 3");
ntp_zone_array[19]=new ntp_entry("(GMT-02:00)Mid-Atlantic", "2 1");
ntp_zone_array[20]=new ntp_entry("(GMT-01:00)Azores, Cape Verde Is.", "1 1");
ntp_zone_array[21]=new ntp_entry("(GMT)Casablanca, Monrovia", "0 1");
ntp_zone_array[22]=new ntp_entry("(GMT)Greenwich Mean Time: Dublin, Edinburgh, Lisbon, London", "0 2");
ntp_zone_array[23]=new ntp_entry("(GMT+01:00)Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna", "-1 1");
ntp_zone_array[24]=new ntp_entry("(GMT+01:00)Belgrade, Bratislava, Budapest, Ljubljana, Prague", "-1 2");
ntp_zone_array[25]=new ntp_entry("(GMT+01:00)Barcelona, Madrid", "-1 3");
ntp_zone_array[26]=new ntp_entry("(GMT+01:00)Brussels, Copenhagen, Madrid, Paris, Vilnius", "-1 4");
ntp_zone_array[27]=new ntp_entry("(GMT+01:00)Paris", "-1 5");
ntp_zone_array[28]=new ntp_entry("(GMT+01:00)Sarajevo, Skopje, Sofija, Warsaw, Zagreb", "-1 6");
ntp_zone_array[29]=new ntp_entry("(GMT+02:00)Athens, Istanbul, Minsk", "-2 1");
ntp_zone_array[30]=new ntp_entry("(GMT+02:00)Bucharest", "-2 2");
ntp_zone_array[31]=new ntp_entry("(GMT+02:00)Cairo", "-2 3");
ntp_zone_array[32]=new ntp_entry("(GMT+02:00)Harare, Pretoria", "-2 4");
ntp_zone_array[33]=new ntp_entry("(GMT+02:00)Helsinki, Riga, Tallinn", "-2 5");
ntp_zone_array[34]=new ntp_entry("(GMT+02:00)Jerusalem", "-2 6");
ntp_zone_array[35]=new ntp_entry("(GMT+03:00)Baghdad, Kuwait, Riyadh", "-3 1");
ntp_zone_array[36]=new ntp_entry("(GMT+03:00)Moscow, St. Petersburg, Volgograd", "-3 2");
ntp_zone_array[37]=new ntp_entry("(GMT+03:00)Mairobi", "-3 3");
ntp_zone_array[38]=new ntp_entry("(GMT+03:30)Tehran", "-3 4");
ntp_zone_array[39]=new ntp_entry("(GMT+04:00)Abu Dhabi, Muscat", "-4 1");
ntp_zone_array[40]=new ntp_entry("(GMT+04:00)Baku, Tbilisi", "-4 2");
ntp_zone_array[41]=new ntp_entry("(GMT+04:30)Kabul", "-4 3");
ntp_zone_array[42]=new ntp_entry("(GMT+05:00)Ekaterinburg", "-5 1");
ntp_zone_array[43]=new ntp_entry("(GMT+05:00)Islamabad, Karachi, Tashkent", "-5 2");
ntp_zone_array[44]=new ntp_entry("(GMT+05:30)Bombay, Calcutta, Madras, New Delhi", "-5 3");
ntp_zone_array[45]=new ntp_entry("(GMT+06:00)Astana, Almaty, Dhaka", "-6 1");
ntp_zone_array[46]=new ntp_entry("(GMT+06:00)Colombo", "-6 2");
ntp_zone_array[47]=new ntp_entry("(GMT+07:00)Bangkok, Hanoi, Jakarta", "-7 1");
ntp_zone_array[48]=new ntp_entry("(GMT+08:00)Beijing, Chongqing, Hong Kong, Urumqi", "-8 1");
ntp_zone_array[49]=new ntp_entry("(GMT+08:00)Perth", "-8 2");
ntp_zone_array[50]=new ntp_entry("(GMT+08:00)Singapore", "-8 3");
ntp_zone_array[51]=new ntp_entry("(GMT+08:00)Taipei", "-8 4");
ntp_zone_array[52]=new ntp_entry("(GMT+09:00)Osaka, Sapporo, Tokyo", "-9 1");
ntp_zone_array[53]=new ntp_entry("(GMT+09:00)Seoul", "-9 2");
ntp_zone_array[54]=new ntp_entry("(GMT+09:00)Yakutsk", "-9 3");
ntp_zone_array[55]=new ntp_entry("(GMT+09:30)Adelaide", "-9 4");
ntp_zone_array[56]=new ntp_entry("(GMT+09:30)Darwin", "-9 5");
ntp_zone_array[57]=new ntp_entry("(GMT+10:00)Brisbane", "-10 1");
ntp_zone_array[58]=new ntp_entry("(GMT+10:00)Canberra, Melbourne, Sydney", "-10 2");
ntp_zone_array[59]=new ntp_entry("(GMT+10:00)Guam, Port Moresby", "-10 3");
ntp_zone_array[60]=new ntp_entry("(GMT+10:00)Hobart", "-10 4");
ntp_zone_array[61]=new ntp_entry("(GMT+10:00)Vladivostok", "-10 5");
ntp_zone_array[62]=new ntp_entry("(GMT+11:00)Magadan, Solomon Is., New Caledonia", "-11 1");
ntp_zone_array[63]=new ntp_entry("(GMT+12:00)Auckland, Wllington", "-12 1");
ntp_zone_array[64]=new ntp_entry("(GMT+12:00)Fiji, Kamchatka, Marshall Is.", "-12 2");

function setTimeZone(field, value){
    field.selectedIndex = 4 ;
    for(i=0 ;i < field.options.length ; i++){
    	if(field.options[i].value == value){
				field.options[i].selected = true;
				break;
			}
		}
}

function setNtpServer(field, ntpServer){
    field.selectedIndex = 0 ;
    for(i=0 ;i < field.options.length ; i++){
    	if(field.options[i].value == ntpServer){
		field.options[i].selected = true;
		break;
	}
    }
}

function includeSpace(str)
{
  for (var i=0; i<str.length; i++) {
  	if ( str.charAt(i) == ' ' ) {
	  	return true;
		}
  }
  return false;
}

function verifyBrowser() {
	var ms = navigator.appVersion.indexOf("MSIE");
	ie4 = (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4);
	var ns = navigator.appName.indexOf("Netscape");
	ns= (ns>=0) && (parseInt(navigator.appVersion.substring(0,1))>=4);
	if (ie4)
		return "ie4";
	else
		if(ns)
			return "ns";
		else
			return false;
}

function checkIPMask(field)
{

  if (field.value=="") {
      	alert("Subnet mask cannot be empty! It should be filled with 4 digit numbers as xxx.xxx.xxx.xxx.");
	field.value = field.defaultValue;
	field.focus();
	return false;
  }
  if ( validateKey( field.value ) == 0 ) {
      	alert("Invalid subnet mask value. It should be the decimal number (0-9).");
      	field.value = field.defaultValue;
	field.focus();
	return false;
  }
  if ( !checkMask(field.value,1) ) {
      	alert('Invalid subnet mask in 1st digit.\nIt should be the number of 0, 128, 192, 224, 240, 248, 252 or 254');
	field.value = field.defaultValue;
	field.focus();
	return false;
  }

  if ( !checkMask(field.value,2) ) {
      	alert('Invalid subnet mask in 2nd digit.\nIt should be the number of 0, 128, 192, 224, 240, 248, 252 or 254');
	field.value = field.defaultValue;
	field.focus();
	return false;
  }
  if ( !checkMask(field.value,3) ) {
      	alert('Invalid subnet mask in 3rd digit.\nIt should be the number of 0, 128, 192, 224, 240, 248, 252 or 254');
	field.value = field.defaultValue;
	field.focus();
	return false;
  }
  if ( !checkMask(field.value,4) ) {
      	alert('Invalid subnet mask in 4th digit.\nIt should be the number of 0, 128, 192, 224, 240, 248, 252 or 254');
	field.value = field.defaultValue;
	field.focus();
	return false;
  }
}  

function checkMask(str, num)
{
  d = getDigit(str,num);
  if( !(d==0 || d==128 || d==192 || d==224 || d==240 || d==248 || d==252 || d==254 || d==255 ))
  	return false;
  return true;
}

function checkSubnet(ip, mask, client)
{
  ip_d = getDigit(ip, 1);
  mask_d = getDigit(mask, 1);
  client_d = getDigit(client, 1);
  if ( (ip_d & mask_d) != (client_d & mask_d ) )
	return false;

  ip_d = getDigit(ip, 2);
  mask_d = getDigit(mask, 2);
  client_d = getDigit(client, 2);
  if ( (ip_d & mask_d) != (client_d & mask_d ) )
	return false;

  ip_d = getDigit(ip, 3);
  mask_d = getDigit(mask, 3);
  client_d = getDigit(client, 3);
  if ( (ip_d & mask_d) != (client_d & mask_d ) )
	return false;

  ip_d = getDigit(ip, 4);
  mask_d = getDigit(mask, 4);
  client_d = getDigit(client, 4);
  if ( (ip_d & mask_d) != (client_d & mask_d ) )
	return false;

  return true;
}

function validateNum(str){
  for (var i=0; i<str.length; i++) {
   	if ( !(str.charAt(i) >='0' && str.charAt(i) <= '9')) {
			return false;
  	}
  }
  return true;
}

//Perish added for MAC check 2008/12/3
function checkMACAddr(field){
	var str = field.value;
  if ( str.length < 12) {
	alert("<% ALERT_MSG('ALERT_MSG10'); %>");
	field.value = field.defaultValue;
	field.focus();
	return false;
  }

  for (var i=0; i<str.length; i++) {
    if ( (str.charAt(i) >= '0' && str.charAt(i) <= '9') ||
			(str.charAt(i) >= 'a' && str.charAt(i) <= 'f') ||
			(str.charAt(i) >= 'A' && str.charAt(i) <= 'F') )
			continue;
	alert("<% ALERT_MSG('ALERT_MSG11'); %>");
	field.value = field.defaultValue;
	field.focus();
	return false;
  }
  return true;
}

//Perish added for security length 2008/12/3
function checkLength(field, idx){
	var str = field.value;
	switch(idx){
		case 0: //64bit ASCII
						if (str.length != 5) {
							alert('Invalid length of WEP Key value. It should be 5 characters.');
							field.value = field.defaultValue;
							field.focus();
							return false;
						}
		break;
		case 1: //64bit HEX
						if (str.length != 10) {
							alert('Invalid length of WEP Key value. It should be 10 characters.');
							field.value = field.defaultValue;
							field.focus();
							return false;
						}
		break;
		case 2: //128bit ASCII
						if (str.length != 13) {
							alert('Invalid length of WEP Key value. It should be 13 characters.');
							field.value = field.defaultValue;
							field.focus();
							return false;
						}
		break;
		case 3: //128bit HEX
						if (str.length != 26) {
							alert('Invalid length of WEP Key value. It should be 26 characters.');
							field.value = field.defaultValue;
							field.focus();
							return false;
						}
		break;
		case 4: //PassPhrase
						if (str.length < 8) {
							alert('Pre-Shared Key value should be set at least 8 characters.');
							field.value = field.defaultValue;
							field.focus();
							return false;
						}
						if (str.length > 63) {
							alert('Pre-Shared Key value should be less than 64 characters.');
							field.value = field.defaultValue;
							field.focus();
							return false;
						}
		break;
		case 5: //PassPhrase-Hex
						if (str.length != 64) {
							alert('Pre-Shared Key value should be 64 characters.');
							field.value = field.defaultValue;
							field.focus();
							return false;
						}
		break;
	}
	return true;
}

//Perish added for security radius 2008/12/3
function checkRadius(field1, field2, field3){
			if(checkIpAddr(field1, 'Invalid Server IP address') == false )
	    	return false;
	    if ( validateNum( field2.value ) == 0 ) {
				alert("Invalid Server Port value! It should be the decimal number (0-9).");
				field2.value = field2.defaultValue;
				field2.focus();
				return false;
  		}
  		d1 = getDigit(field2.value, 1);
  		if (d1 > 65535 || d1 < 1024) {
				alert("Invalid Server Port value! You should set a value between 1024-65535.");
				field2.value = field2.defaultValue;
				field2.focus();
				return false;
  		}
  		if(field3.value == ""){
				alert("<% ALERT_MSG('ALERT_MSG39'); %>");
				field3.value = field3.defaultValue;
				field3.focus();
				return false ;
			}
			if ( includeSpace(field3.value)) {
				alert('Cannot accept space character in Server Password.');
				field3.value = field3.defaultValue;
				field3.focus();
				return false;
			}
		return true;
}

//Perish added for security hex 2008/12/3
function checkHex(field){
	var str = field.value;
	for (var i=0; i<str.length; i++) {
    if ( (str.charAt(i) >= '0' && str.charAt(i) <= '9') ||
			(str.charAt(i) >= 'a' && str.charAt(i) <= 'f') ||
			(str.charAt(i) >= 'A' && str.charAt(i) <= 'F') )
			continue;
		alert("<% ALERT_MSG('ALERT_MSG11'); %>");
		field.value = field.defaultValue;
		field.focus();
		return false;
  }
  return true;
}

function openWindow(url, windowName, wide, high) {
	if (document.all)
		var xMax = screen.width, yMax = screen.height;
	else if (document.layers)
		var xMax = window.outerWidth, yMax = window.outerHeight;
	else
	   var xMax = 640, yMax=500;
	var xOffset = (xMax - wide)/2;
	var yOffset = (yMax - high)/3;

	var settings = 'width='+wide+',height='+high+',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+', resizable=yes, toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes';

	window.open( url, windowName, settings );
}

function getRefToDivNest(divID, oDoc) 
{
  if( !oDoc ) { oDoc = document; }
  if( document.layers ) {
	if( oDoc.layers[divID] ) { return oDoc.layers[divID]; } else {
	for( var x = 0, y; !y && x < oDoc.layers.length; x++ ) {
		y = getRefToDivNest(divID,oDoc.layers[x].document); }
	return y; } }
  if( document.getElementById ) { return document.getElementById(divID); }
  if( document.all ) { return document.all[divID]; }
  return document[divID];
}

function progressBar( oBt, oBc, oBg, oBa, oWi, oHi, oDr ) 
{
  MWJ_progBar++; this.id = 'MWJ_progBar' + MWJ_progBar; this.dir = oDr; this.width = oWi; this.height = oHi; this.amt = 0;
  //write the bar as a layer in an ilayer in two tables giving the border
  document.write( '<span id = "progress_div" class = "off" > <table border="0" cellspacing="0" cellpadding="'+oBt+'">'+
	'<tr><td>Please wait...</td></tr><tr><td bgcolor="'+oBc+'">'+
		'<table border="0" cellspacing="0" cellpadding="0"><tr><td height="'+oHi+'" width="'+oWi+'" bgcolor="'+oBg+'">' );
  if( document.layers ) {
	document.write( '<ilayer height="'+oHi+'" width="'+oWi+'"><layer bgcolor="'+oBa+'" name="MWJ_progBar'+MWJ_progBar+'"></layer></ilayer>' );
  } else {
	document.write( '<div style="position:relative;top:0px;left:0px;height:'+oHi+'px;width:'+oWi+';">'+
			'<div style="position:absolute;top:0px;left:0px;height:0px;width:0;font-size:1px;background-color:'+oBa+';" id="MWJ_progBar'+MWJ_progBar+'"></div></div>' );
  }
  document.write( '</td></tr></table></td></tr></table></span>\n' );
  this.setBar = resetBar; //doing this inline causes unexpected bugs in early NS4
  this.setCol = setColour;
}

function resetBar( a, b ) 
{
  //work out the required size and use various methods to enforce it
  this.amt = ( typeof( b ) == 'undefined' ) ? a : b ? ( this.amt + a ) : ( this.amt - a );
  if( isNaN( this.amt ) ) { this.amt = 0; } if( this.amt > 1 ) { this.amt = 1; } if( this.amt < 0 ) { this.amt = 0; }
  var theWidth = Math.round( this.width * ( ( this.dir % 2 ) ? this.amt : 1 ) );
  var theHeight = Math.round( this.height * ( ( this.dir % 2 ) ? 1 : this.amt ) );
  var theDiv = getRefToDivNest( this.id ); if( !theDiv ) { window.status = 'Progress: ' + Math.round( 100 * this.amt ) + '%'; return; }
  if( theDiv.style ) { theDiv = theDiv.style; theDiv.clip = 'rect(0px '+theWidth+'px '+theHeight+'px 0px)'; }
  var oPix = document.childNodes ? 'px' : 0;
  theDiv.width = theWidth + oPix; theDiv.pixelWidth = theWidth; theDiv.height = theHeight + oPix; theDiv.pixelHeight = theHeight;
  if( theDiv.resizeTo ) { theDiv.resizeTo( theWidth, theHeight ); }
  theDiv.left = ( ( this.dir != 3 ) ? 0 : this.width - theWidth ) + oPix; theDiv.top = ( ( this.dir != 4 ) ? 0 : this.height - theHeight ) + oPix;
}

function setColour( a ) 
{
  //change all the different colour styles
  var theDiv = getRefToDivNest( this.id ); if( theDiv.style ) { theDiv = theDiv.style; }
  theDiv.bgColor = a; theDiv.backgroundColor = a; theDiv.background = a;
}

function show_div(show,id) {
	if(show)
		document.getElementById(id).className  = "on" ;
    	else	    
    		document.getElementById(id).className  = "off" ;
}

/*   tcpipwan.htm */
function wanShowDiv(bpapond_bool, l2tp_bool, pptp_bool, dns_bool, dnsMode_bool, pppoe_bool, static_bool, ttl_bool)
{
   	show_div(pptp_bool,"pptp_div");
   	show_div(l2tp_bool,"l2tp_div");
  	show_div(dns_bool,"dns_div");
  	show_div(dnsMode_bool,"dnsMode_div");
  	show_div(pppoe_bool,"pppoe_div");
  	show_div(static_bool,"static_div");
  	show_div(bpapond_bool,"bpapond_div");
	show_div(ttl_bool,"ttl_div");//Add for TTL function in Static IP/DHCP Client/PPPoE type by Joyce, 2009-08-26
}

function saveChanges_wan(form)
{
  var wanType = form.wanType.selectedIndex ;
  if ( wanType == 0 ){ //static IP
	  if ( checkIpAddr(form.wan_ip, 'Invalid IP address') == false )
	    return false;
  	  if (checkIPMask(form.wan_mask) == false)
  		return false ;

	  if (form.wan_gateway.value!="" && form.wan_gateway.value!="0.0.0.0") {

	    if ( checkIpAddr(form.wan_gateway, 'Invalid default gateway address') == false )
	      return false;
	    if ( !checkSubnet(form.wan_ip.value,form.wan_mask.value,form.wan_gateway.value)) {
	      alert("<% ALERT_MSG('ALERT_MSG7'); %>");
	      form.wan_gateway.value = form.wan_gateway.defaultValue;
	      form.wan_gateway.focus();
	      return false;
	    }
	  }
	  else
	      form.wan_gateway.value = '0.0.0.0';  

	  if (form.fixedIpMtuSize != null){
	     d2 = getDigit(form.fixedIpMtuSize.value, 1);
	     if ( validateKey(form.fixedIpMtuSize.value) == 0 ||
			(d2 > 1500 || d2 < 1400) ) {
			alert("Invalid MTU size! You should set a value between 1400-1500.");
			form.fixedIpMtuSize.value = form.fixedIpMtuSize.defaultValue;
			form.fixedIpMtuSize.focus();
			return false;
	     }
	  }    
  }
  else if ( wanType == 1){ //dhcp wanType
  	  if (form.dhcpMtuSize != null){
	     d2 = getDigit(form.dhcpMtuSize.value, 1);
	     if ( validateKey(form.dhcpMtuSize.value) == 0 ||
			(d2 > 1492 || d2 < 1400) ) {
			alert("Invalid MTU size! You should set a value between 1400-1492.");
			form.dhcpMtuSize.value = form.dhcpMtuSize.defaultValue;
			form.dhcpMtuSize.focus();
			return false;
	     }
	  } 
  }
  else if ( wanType == 2){ //pppoe wanType
	   if (form.pppUserName.value=="") {
		  alert("<% ALERT_MSG('ALERT_MSG32'); %>");
		  form.pppUserName.value = form.pppUserName.defaultValue;
		  form.pppUserName.focus();
		  return false;
	   }
	   if (form.pppPassword.value=="") {
		  alert("<% ALERT_MSG('ALERT_MSG33'); %>");
		  form.pppPassword.value = form.pppPassword.defaultValue;
		  form.pppPassword.focus();
		  return false;
	   }
	   if ( form.pppConnectType != null){
	     if ( form.pppConnectType.selectedIndex != 0 ) {
		d1 = getDigit(form.pppIdleTime.value, 1);
		if ( validateKey(form.pppIdleTime.value) == 0 ||
			(d1 > 1000 || d1 < 1) ) {
			alert("Invalid idle time value! You should set a value between 1-1000.");
			form.pppIdleTime.focus();
			return false;
		}
	     }
	   } // if (pppConnectType !=null)
           
           if ( form.pppMtuSize != null){
	     d2 = getDigit(form.pppMtuSize.value, 1);
	     if ( validateKey(form.pppMtuSize.value) == 0 ||
			(d2 > 1492 || d2 < 1360) ) {
			alert("Invalid MTU size! You should set a value between 1360-1492.");
			form.pppMtuSize.value = form.pppMtuSize.defaultValue;
			form.pppMtuSize.focus();
			return false;
	     }
	   }  // if (pppMtuSize !=null)
  }
  else if ( wanType == 3){ //pptp wanType
	  if ( checkIpAddr(form.pptpIpAddr, 'Invalid IP address') == false )
	    return false;
	  if (checkIPMask(form.pptpSubnetMask) == false)
  			return false ;

	  if ( checkIpAddr(form.pptpServerIpAddr, 'Invalid server IP address') == false )
	      return false;

	  if ( !checkSubnet(form.pptpIpAddr.value,form.pptpSubnetMask.value,form.pptpServerIpAddr.value)) {
	      alert('Invalid server IP address!\nIt should be located in the same subnet of local IP address.');
	      form.pptpServerIpAddr.value = form.pptpServerIpAddr.defaultValue;
	      form.pptpServerIpAddr.focus();
	      return false;
	  }

	  if (form.pptpUserName.value=="") {
		  alert('User name cannot be empty!');
		  form.pptpUserName.value = form.pptpUserName.defaultValue;
		  form.pptpUserName.focus();
		  return false;
	  }
	  if (form.pptpPassword.value=="") {
		  alert('Password cannot be empty!');
		  form.pptpPassword.value = form.pptpPassword.defaultValue;
		  form.pptpPassword.focus();
		  return false;
	  }
	  if ( form.pptpMtuSize != null){
	  	d2 = getDigit(form.pptpMtuSize.value, 1);
	   	if ( validateKey(form.pptpMtuSize.value) == 0 ||
			(d2 > 1460 || d2 < 1400) ) {
			alert("Invalid MTU size! You should set a value between 1400-1460.");
			form.pptpMtuSize.value = form.pptpMtuSize.defaultValue;
			form.pptpMtuSize.focus();
			return false;
	   	}
	  } // if(pptpMtuSize != null)
   } // pppoe if wanType

  else if ( wanType == 4){ //l2tp wanType
	  if ( checkIpAddr(form.l2tpIpAddr, 'Invalid IP address') == false )
	    return false;
	  if (checkIPMask(form.l2tpSubnetMask) == false)
  			return false ;

	  if ( checkIpAddr(form.l2tpServerIpAddr, 'Invalid server IP address') == false )
	      return false;
    /*
	  if ( !checkSubnet(form.l2tpIpAddr.value,form.l2tpSubnetMask.value,form.l2tpServerIpAddr.value)) {
	      alert('Invalid server IP address!\nIt should be located in the same subnet of local IP address.');
	      form.l2tpServerIpAddr.value = form.l2tpServerIpAddr.defaultValue;
	      form.l2tpServerIpAddr.focus();
	      return false;
	  }
    */
	  if ( checkIpAddr(form.l2tpServergwAddr, 'Invalid IP address') == false )
	    return false;

	  if (form.l2tpUserName.value=="") {
		  alert('User name cannot be empty!');
		  form.l2tpUserName.value = form.l2tpUserName.defaultValue;
		  form.l2tpUserName.focus();
		  return false;
	  }
	  if (form.l2tpPassword.value=="") {
		  alert('Password cannot be empty!');
		  form.l2tpPassword.value = form.l2tpPassword.defaultValue;
		  form.l2tpPassword.focus();
		  return false;
	  }
	  if ( form.l2tpMtuSize != null){
	  	d2 = getDigit(form.l2tpMtuSize.value, 1);
	   	if ( validateKey(form.l2tpMtuSize.value) == 0 ||
			(d2 > 1460 || d2 < 1400) ) {
			alert("Invalid MTU size! You should set a value between 1400-1460.");
			form.l2tpMtuSize.value = form.l2tpMtuSize.defaultValue;
			form.l2tpMtuSize.focus();
			return false;
	   	}
	  } 
  } // l2tp
  //Added BigPond check by Perish 2008/12/2
  else if ( wanType == 5){ //BigPond wanType
  	if (form.bpa_user.value=="") {
		  alert('User name cannot be empty!');
		  form.bpa_user.value = form.bpa_user.defaultValue;
		  form.bpa_user.focus();
		  return false;
	  }
	  if (form.bpa_password.value=="") {
		  alert('Password cannot be empty!');
		  form.bpa_password.value = form.bpa_password.defaultValue;
		  form.bpa_password.focus();
		  return false;
	  }
	  if ( validateNum( form.bpa_port.value ) == 0 ) {
			alert("<% ALERT_MSG('ALERT_MSG41'); %>");
			form.bpa_port.value = form.bpa_port.defaultValue;
			form.bpa_port.focus();
			return false;
  	}
  	
  	d1 = getDigit(form.bpa_port.value, 1);
  	if (d1 > 65535 || d1 < 1) {
			alert("<% ALERT_MSG('ALERT_MSG42'); %>");
			form.bpa_port.value = form.bpa_port.defaultValue;
			form.bpa_port.focus();
			return false;
  	}
  	if ( checkIpAddr(form.bpa_server, 'Invalid server IP address') == false )
	      return false;
	  if ( form.bpa_dhcpMtuSize != null){
	  	d2 = getDigit(form.bpa_dhcpMtuSize.value, 1);
	   	if ( validateKey(form.bpa_dhcpMtuSize.value) == 0 ||
			(d2 > 1492 || d2 < 1400) ) {
			alert("Invalid MTU size! You should set a value between 1400-1492.");
			form.bpa_dhcpMtuSize.value = form.bpa_dhcpMtuSize.defaultValue;
			form.bpa_dhcpMtuSize.focus();
			return false;
	   	}
	  }
	  
  } //BigPond wanType

   if( wanType != 0 ) { // not static IP
	   group = form.dnsMode;
	   for (var r = 0; r < group.length; r++)
		  if (group[r].checked)
		    break;

	   if (r == 1) {
	      if (form.dns1.value=="")
		form.dns1.value="0.0.0.0";
	      if (form.dns1.value!="0.0.0.0") {
		  if ( checkIpAddr(form.dns1, 'Invalid DNS1 address') == false )
		     return false;
	      }		
	      if (form.dns2 != null){
	      	if (form.dns2.value=="")
			form.dns2.value="0.0.0.0";
	      	if (form.dns2.value!="0.0.0.0") {
		 if ( checkIpAddr(form.dns2, 'Invalid DNS2 address') == false )
		     return false;
	      	}			
	      }//dns2 != null
	      if (form.dns3 != null){	
	      	if (form.dns3.value=="")
			form.dns3.value="0.0.0.0";
	      	if (form.dns3.value!="0.0.0.0") {
		  if ( checkIpAddr(form.dns3, 'Invalid DNS3 address') == false )
		     return false;
	      	}			
	      }// dns3 != null
	   }
   }
   else{
	  if (form.dns1.value=="")
	    form.dns1.value="0.0.0.0";
	  if (form.dns1.value!="0.0.0.0") {
	     if ( checkIpAddr(form.dns1, 'Invalid DNS1 address') == false )
	       return false;
	  }
	  	    
	  if (form.dns2 != null){  
	  	if (form.dns2.value=="")
	    		form.dns2.value="0.0.0.0";
	  	if (form.dns2.value!="0.0.0.0") {
	    		if ( checkIpAddr(form.dns2, 'Invalid DNS2 address') == false )
	      			return false;
	  	}	    		
	  }
	  if (form.dns3 != null){
	  	if (form.dns3.value=="")
	    		form.dns3.value="0.0.0.0";
	  	if (form.dns3.value!="0.0.0.0") {
	    		if ( checkIpAddr(form.dns3, 'Invalid DNS3 address') == false )
	      			return false;
	  	}	    		
	  } 
   }
   if (form.wan_macAddr != null){
   	if (form.wan_macAddr.value == "")
		form.wan_macAddr.value = "000000000000";
	var str = form.wan_macAddr.value;
   	if ( str.length < 12) {
		alert("<% ALERT_MSG('ALERT_MSG10'); %>");
		form.wan_macAddr.value = form.wan_macAddr.defaultValue;
		form.wan_macAddr.focus();
		return false;
  	}
   	for (var i=0; i<str.length; i++) {
     		if ( (str.charAt(i) >= '0' && str.charAt(i) <= '9') ||
			(str.charAt(i) >= 'a' && str.charAt(i) <= 'f') ||
			(str.charAt(i) >= 'A' && str.charAt(i) <= 'F') )
			continue;
		alert("<% ALERT_MSG('ALERT_MSG11'); %>");
		form.wan_macAddr.value = form.wan_macAddr.defaultValue;
		form.wan_macAddr.focus();
		return false;
   	}  	
   }

   return true;
}

/*-------------------------------------------------------------------------------------------*/
//for Virtual Server
function checkPortRange(field_S, field_E){
		if (field_S.value=="") {
  		alert("Port can't be empty. You should set the Start port range.");
			field_S.value = field_S.defaultValue;
			field_S.focus();
			return false;
  	}
  	else{
  		if ( validateNum( field_S.value ) == 0 ) {
				alert("<% ALERT_MSG('ALERT_MSG41'); %>");
				field_S.value = field_S.defaultValue;
				field_S.focus();
				return false;
  		}
  		d1 = getDigit(field_S.value, 1);
  		if (d1 > 65535 || d1 < 1) {
				alert("<% ALERT_MSG('ALERT_MSG42'); %>");
				field_S.value = field_S.defaultValue;
				field_S.focus();
				return false;
 	 		}
 	 	}
 	 	if (field_E.value=="") {
  		alert("Port can't be empty. You should set the End port range.");
			field_E.value = field_E.defaultValue;
			field_E.focus();
			return false;
  	}
  	else{
  		if ( validateNum( field_E.value ) == 0 ) {
				alert("<% ALERT_MSG('ALERT_MSG41'); %>");
				field_E.value = field_E.defaultValue;
				field_E.focus();
				return false;
  		}
			d2 = getDigit(field_E.value, 1);
 			if (d2 > 65535 || d2 < 1) {
				alert("<% ALERT_MSG('ALERT_MSG42'); %>");
				field_E.value = field_E.defaultValue;
				field_E.focus();
				return false;
  		}
			if (d1 > d2 ) {
				alert("<% ALERT_MSG('ALERT_MSG53'); %>");
				field_E.focus();
				return false;
			}
  	}
  	return true;
}

/*-------------------------------------------------------------------------------------------*/
function PopUpGateway(PopURL)
{
	new1=window.open(PopURL,"b",'width=650,height=500,directories=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=no');
}

function PopUpSecurity(PopURL)
{
	new1=window.open(PopURL,"b",'width=650,height=500,directories=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=no');
}

function PopUpSurvey(PopURL)
{
	new1=window.open(PopURL,"b",'width=650,height=500,directories=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=no');
}

function PopUpATO(PopURL)
{
	window.open(PopURL,"k",'width=400,height=200,directories=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=yes');
}
function PopUpQoS(PopURL)
{
	window.open(PopURL,"r",'width=900,height=600,directories=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=yes');
}
/*-----------------------------------------------------------------------------*/
//for Qos page
function is_number(value)
{
	var str = value + "";
	return str.match(/^-?\d*\.?\d+$/) ? true : false;
}

/*
 * ipv4_to_bytearray
 *	Convert an IPv4 address dotted string to a byte array
 */
function ipv4_to_bytearray(ipaddr)
{
	var ip = ipaddr + "";
	var got = ip.match (/^\s*(\d{1,3})\s*[.]\s*(\d{1,3})\s*[.]\s*(\d{1,3})\s*[.]\s*(\d{1,3})\s*$/);
	if (!got) {
		return 0;
	}
	var a = [];
	var q = 0;
	for (var i = 1; i <= 4; i++) {
		q = parseInt(got[i],10);
		if (q < 0 || q > 255) {
			return 0;
		}
		a[i-1] = q;
	}
	return a;
}

/*
 * is_ipv4_valid
 *	Check is an IP address dotted string is valid.
 */
function is_ipv4_valid(ipaddr)
{
	var ip = ipv4_to_bytearray(ipaddr);
	if (ip === 0) {
		return false;
	}
	return true;
}

/*
 * is_port_valid
 *	Check if a port is valid.
 */
function is_port_valid(port)
{
	return (is_number(port) && port >= 0 && port < 65536);
}

function bigger_than(port1, port2)
{
	return ((port1-0) > (port2-0));
}

/*
 * set_form_default_values
 *	Save a form's current values to a custom attribute.
 */
function set_form_default_values(form_id)
{
	var df = document.forms[form_id];
	if (!df) {
		return;
	}
	for (var i = 0, k = df.elements.length; i < k; i++) {
		var obj = df.elements[i];
		if (obj.getAttribute('modified') == 'ignore') {
			continue;
		}
		var name = obj.tagName.toLowerCase();
		if (name == 'input') {
			var type = obj.type.toLowerCase();
			if ((type == 'text') || (type == 'textarea') || (type == 'password') || (type == 'hidden')) {
				obj.setAttribute('default', obj.value);
				/* Workaround for FF error when calling focus() from an input text element. */
				if (type == 'text') {
					obj.setAttribute('autocomplete', 'off');
				}
			} else if ((type == 'checkbox') || (type == 'radio')) {
				obj.setAttribute('default', obj.checked);
			}
		} else if (name == 'select') {
			var opt = obj.options;
			for (var j = 0; j < opt.length; j++) {
				opt[j].setAttribute('default', opt[j].selected);
			}
		}
	}
	df.setAttribute('saved', "true");
}

/*
 * are_values_equal()
 *	Compare values of types boolean, string and number. The types may be different.
 *	Returns true if values are equal.
 */
function are_values_equal(val1, val2)
{
	/* Make sure we can handle these values. */
	switch (typeof(val1)) {
	case 'boolean':
	case 'string':
	case 'number':
		break;
	default:
		// alert("are_values_equal does not handle the type '" + typeof(val1) + "' of val1 '" + val1 + "'.");
		return false;
	}

	switch (typeof(val2)) {
	case 'boolean':
		switch (typeof(val1)) {
		case 'boolean':
			return (val1 == val2);
		case 'string':
			if (val2) {
				return (val1 == "1" || val1.toLowerCase() == "true" || val1.toLowerCase() == "on");
			} else {
				return (val1 == "0" || val1.toLowerCase() == "false" || val1.toLowerCase() == "off");
			}
			break;
		case 'number':
			return (val1 == val2 * 1);
		}
		break;
	case 'string':
		switch (typeof(val1)) {
		case 'boolean':
			if (val1) {
				return (val2 == "1" || val2.toLowerCase() == "true" || val2.toLowerCase() == "on");
			} else {
				return (val2 == "0" || val2.toLowerCase() == "false" || val2.toLowerCase() == "off");
			}
			break;
		case 'string':
			if (val2 == "1" || val2.toLowerCase() == "true" || val2.toLowerCase() == "on") {
				return (val1 == "1" || val1.toLowerCase() == "true" || val1.toLowerCase() == "on");
			}
			if (val2 == "0" || val2.toLowerCase() == "false" || val2.toLowerCase() == "off") {
				return (val1 == "0" || val1.toLowerCase() == "false" || val1.toLowerCase() == "off");
			}
			return (val2 == val1);
		case 'number':
			if (val2 == "1" || val2.toLowerCase() == "true" || val2.toLowerCase() == "on") {
				return (val1 == 1);
			}
			if (val2 == "0" || val2.toLowerCase() == "false" || val2.toLowerCase() == "off") {
				return (val1 === 0);
			}
			return (val2 == val1 + "");
		}
		break;
	case 'number':
		switch (typeof(val1)) {
		case 'boolean':
			return (val1 * 1 == val2);
		case 'string':
			if (val1 == "1" || val1.toLowerCase() == "true" || val1.toLowerCase() == "on") {
				return (val2 == 1);
			}
			if (val1 == "0" || val1.toLowerCase() == "false" || val1.toLowerCase() == "off") {
				return (val2 === 0);
			}
			return (val1 == val2 + "");
		case 'number':
			return (val2 == val1);
		}
		break;
	default:
		return false;
	}
}

/*
 * is_form_modified
 *	Check if a form's current values differ from saved values in custom attribute.
 *	Function skips elements with attribute: 'modified'= 'ignore'. 
 */
function is_form_modified(form_id)
{
	var df = document.forms[form_id];
	if (!df) {
		return false;
	}
	if (df.getAttribute('modified') == "true") {
		return true;
	}
	if (df.getAttribute('saved') != "true") {
		return false;
	}

	for (var i = 0, k = df.elements.length; i < k; i++) {
		var obj = df.elements[i];
		if (obj.getAttribute('modified') == 'ignore') {
			continue;
		}
		var name = obj.tagName.toLowerCase();
		if (name == 'input') {
			var type = obj.type.toLowerCase();
			if (((type == 'text') || (type == 'textarea') || (type == 'password') || (type == 'hidden')) &&
					!are_values_equal(obj.getAttribute('default'), obj.value)) {
				return true;
			} else if (((type == 'checkbox') || (type == 'radio')) && !are_values_equal(obj.getAttribute('default'), obj.checked)) {
				return true;
			}
		} else if (name == 'select') {
			var opt = obj.options;
			for (var j = 0; j < opt.length; j++) {
				if (!are_values_equal(opt[j].getAttribute('default'), opt[j].selected)) {
					return true;
				}
			}
		}
	}
	return false;
}

/*
 * reset_form()
 *	Reset a form with previously saved default values.
 *	Function skips elements with attribute: 'modified'= 'ignore'. 
 */
function reset_form(form_id)
{
	var df = document.forms[form_id];
	if (!df) {
		return;
	}
	if (df.getAttribute('saved') != "true") {
		return;
	}

	for (var i = 0, k = df.elements.length; i < k; i++) {
		var obj = df.elements[i];
		if (obj.getAttribute('modified') == 'ignore') {
			continue;
		}
		var name = obj.tagName.toLowerCase();
		var value;
		if (name == 'input') {
			var type = obj.type.toLowerCase();
			if ((type == 'text') || (type == 'textarea') || (type == 'password') || (type == 'hidden')) {
				obj.value = obj.getAttribute('default');
			} else if ((type == 'checkbox') || (type == 'radio')) {
				value = obj.getAttribute('default');
				switch (typeof(value)) {
				case 'boolean':
					obj.checked = value;
					break;
				case 'string':
					if (value == "1" || value.toLowerCase() == "true" || value.toLowerCase() == "on") {
						obj.checked = true;
					}
					if (value == "0" || value.toLowerCase() == "false" || value.toLowerCase() == "off") {
						obj.checked = false;
					}
					break;
				}
			}
		} else if (name == 'select') {
			var opt = obj.options;
			for (var j = 0; j < opt.length; j++) {
				value = obj[j].getAttribute('default');
				switch (typeof(value)) {
				case 'boolean':
					obj[j].selected = value;
					break;
				case 'string':
					if (value == "1" || value.toLowerCase() == "true" || value.toLowerCase() == "on") {
						obj[j].selected = true;
					}
					if (value == "0" || value.toLowerCase() == "false" || value.toLowerCase() == "off") {
						obj[j].selected = false;
					}
					break;
				}
			}
		}
	}
}

function validateKey_wep(form, idx, str, len, wlan_id)
{
 if (idx >= 0) {
  if (form.elements["defaultTxKeyId"+wlan_id].selectedIndex==idx && str.length==0) {
	alert('The encryption key you selected as the \'Tx Default Key\' cannot be blank.');
	return 0;
  }
  if (str.length ==0)
  	return 1;

  if ( str.length != len) {
  	idx++;
	alert('Invalid length of Key ' + idx + ' value. It should be ' + len + ' characters.');
	return 0;
  }
  }
  else {
	if ( str.length != len) {
		alert('Invalid length of WEP Key value. It should be ' + len + ' characters.');
		return 0;
  	}
  }
  if ( str == "*****" ||
       str == "**********" ||
       str == "*************" ||
       str == "**************************" )
       return 1;

  if (form.elements["format"+wlan_id].selectedIndex==0)
       return 1;

  for (var i=0; i<str.length; i++) {
    if ( (str.charAt(i) >= '0' && str.charAt(i) <= '9') ||
			(str.charAt(i) >= 'a' && str.charAt(i) <= 'f') ||
			(str.charAt(i) >= 'A' && str.charAt(i) <= 'F') )
			continue;

	alert("Invalid key value. It should be in hex number (0-9 or a-f).");
	return 0;
  }

  return 1;
}

function check_wpa_psk(form, wlan_id)
{
	var str = form.elements["pskValue"+wlan_id].value;
	if (form.elements["pskFormat"+wlan_id].selectedIndex==1) {
		if (str.length != 64) {
			alert('Pre-Shared Key value should be 64 characters.');
			form.elements["pskValue"+wlan_id].focus();
			return false;
		}
		takedef = 0;
		if (defPskFormat[wlan_id] == 1 && defPskLen[wlan_id] == 64) {
			for (var i=0; i<64; i++) {
    				if ( str.charAt(i) != '*')
					break;
			}
			if (i == 64 )
				takedef = 1;
  		}
		if (takedef == 0) {
			for (var i=0; i<str.length; i++) {
    				if ( (str.charAt(i) >= '0' && str.charAt(i) <= '9') ||
					(str.charAt(i) >= 'a' && str.charAt(i) <= 'f') ||
					(str.charAt(i) >= 'A' && str.charAt(i) <= 'F') )
					continue;
				alert("Invalid Pre-Shared Key value. It should be in hex number (0-9 or a-f).");
				form.elements["pskValue"+wlan_id].focus();
				return false;
  			}
		}
	}
	else {
		if (str.length < 8) {
			alert('Pre-Shared Key value should be set at least 8 characters.');
			form.elements["pskValue"+wlan_id].focus();
			return false;
		}
		if (str.length > 63) {
			alert('Pre-Shared Key value should be less than 64 characters.');
			form.elements["pskValue"+wlan_id].focus();
			return false;
		}
	}

// for WPS  ---------------------------------------->>
  //Perish mask for not used 2008/12/19
  /* method = form.elements["method"+wlan_id];
   clear_registrar = form.elements["wps_clear_configure_by_reg"+wlan_id];
   if (wps_disabled == 0 && wps_config_by_registrar !=0) {
  	if (clear_registrar.value==0 &&
  		(wps_encrypt_old == 2 || wps_encrypt_old == 6)) {		
		if (((wps_wpaCipher_old & 1) && form.elements["ciphersuite"+wlan_id][0].checked==0) ||
			(!(wps_wpaCipher_old & 1) && form.elements["ciphersuite"+wlan_id][0].checked) ||
			((wps_wpaCipher_old & 2) && form.elements["ciphersuite"+wlan_id][1].checked==0) ||
			(!(wps_wpaCipher_old & 2) && form.elements["ciphersuite"+wlan_id][1].checked)) {			
			if (!confirm(wps_warn3)) {
				return false;
			} 
			else
				clear_registrar.value = 1;
		}
	}
  	if (clear_registrar.value==0 && 
  		(wps_encrypt_old == 4 || wps_encrypt_old == 6)) {		
		if (((wps_wpa2Cipher_old & 1) && form.elements["wpa2ciphersuite"+wlan_id][0].checked==0) ||
			(!(wps_wpa2Cipher_old & 1) && form.elements["wpa2ciphersuite"+wlan_id][0].checked) ||
			((wps_wpa2Cipher_old & 2) && form.elements["wpa2ciphersuite"+wlan_id][1].checked==0) ||
			(!(wps_wpa2Cipher_old & 2) && form.elements["wpa2ciphersuite"+wlan_id][1].checked)) {
			if (!confirm(wps_warn3)) {
				return false;
			} 
			else
				clear_registrar.value = 1;
		}
	}	 
	if (clear_registrar.value==0 &&
			wps_psk_old != form.elements["pskValue"+wlan_id].value &&
			wps_psk_unmask_old != form.elements["pskValue"+wlan_id].value) {
		if (!confirm(wps_warn3)) {
			method.selectedIndex = method.defaultValue;
			method.focus();
			return false;
		} 
		else
			clear_registrar.value = 1;		
	}  	
  } */ 	
//<<------------------------------------------ for WPS	
  
  return true;
}

//Perish added for check destination route IP 2008/12/16
function checkRouteDstAddr(field, msg)
{
   if ( validateKey(field.value) == 0) {
      alert(msg + ' value. It should be the decimal number (0-9).');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,1,0,255) ) {
      alert(msg+' range in 1st digit. It should be 0-255.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,2,0,255) ) {
      alert(msg + ' range in 2nd digit. It should be 0-255.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,3,0,255) ) {
      alert(msg + ' range in 3rd digit. It should be 0-255.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   if ( !checkDigitRange(field.value,4,0,255) ) {
      alert(msg + ' range in 4th digit. It should be 0-255.');
      field.value = field.defaultValue;
      field.focus();
      return false;
   }
   return true;
}