function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}
      

function validateEmail(addr,man,db) {
if (addr == '' && man) {
   if (db) alert('email address is mandatory');
   document.forms[0].email.focus();
   return false;
}
if (addr == '') return true;
var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
for (i=0; i<invalidChars.length; i++) {
   if (addr.indexOf(invalidChars.charAt(i),0) > -1) {
      if (db) alert('email address contains invalid characters');
	  document.forms[0].email.focus();
      return false;
   }
}
for (i=0; i<addr.length; i++) {
   if (addr.charCodeAt(i)>127) {
      if (db) alert("email address contains non ascii characters.");
	  document.forms[0].email.focus();
      return false;
   }
}

var atPos = addr.indexOf('@',0);
if (atPos == -1) {
   if (db) alert('email address must contain an @');
   document.forms[0].email.focus();
   return false;
}
if (atPos == 0) {
   if (db) alert('email address must not start with @');
   document.forms[0].email.focus();
   return false;
}
if (addr.indexOf('@', atPos + 1) > - 1) {
   if (db) alert('email address must contain only one @');
   document.forms[0].email.focus();
   return false;
}
if (addr.indexOf('.', atPos) == -1) {
   if (db) alert('Please specify a valid email. Latest information will be send to your email');
   document.forms[0].email.focus();
   return false;
}
if (addr.indexOf('@.',0) != -1) {
   if (db) alert('period must not immediately follow @ in email address');
   document.forms[0].email.focus();
   return false;
}
if (addr.indexOf('.@',0) != -1){
   if (db) alert('period must not immediately precede @ in email address');
   document.forms[0].email.focus();
   return false;
}
if (addr.indexOf('..',0) != -1) {
   if (db) alert('two periods must not be adjacent in email address');
   document.forms[0].email.focus();
   return false;
}
var suffix = addr.substring(addr.lastIndexOf('.')+1);
if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
   if (db) alert('invalid primary domain in email address');
   document.forms[0].email.focus();
   return false;
}
return true;
}

function zaim1(){
	
	var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>? ";

  
  for (var i = 0; i < document.forms[0].id.value.length; i++) {
  	if (iChars.indexOf(document.forms[0].id.value.charAt(i)) != -1) {
  	alert ("Your username has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }

	if (document.forms[0].id.value==''){
	alert ('Choose your Golflink ID.Must be at least 7 alphanumerical');
	document.forms[0].id.focus();
	return false;}
      else if (document.forms[0].id.value.length <= 6){
	alert ('ID too short.Please specify at least 7 alphanumerical');
	document.forms[0].id.focus();
	return false;}
	else if (document.forms[0].email.value==''){
	alert ('Email is empty');
	document.forms[0].email.focus();
	return false;}
else if (validateEmail(document.forms[0].email.value,1,1)==false) 
	{return false;}
	else { 
	 return true;
	 }
}


function submitin_rank(){
	
    if (document.forms[0].email.value==''){
	alert ('Email is empty');
	document.forms[0].email.focus();
	return false;}

	else if (validateEmail(document.forms[0].email.value,1,1)==false) 
	{return false;}
	
	if (document.forms[0].id.value==''){
	alert ('ID is empty');
	document.forms[0].id.focus();
	return false;}
	
	else if (document.forms[0].id.value !='' && isNaN(document.forms[0].id.value)){
	alert ('Invalid ID No');
	document.forms[0].phone.focus();
	return false;}
	
	else { 
	 return true;
	 }
	
}


function submitin(){
	
	if (document.forms[0].name.value==''){
	alert ('Please fill in your name');
	document.forms[0].name.focus();
	return false;}
	else if (document.forms[0].email.value==''){
	alert ('Email is empty');
	document.forms[0].email.focus();
	return false;}
	else if (document.forms[0].add1.value==''){
	alert ('Please fill in your address');
	document.forms[0].add1.focus();
	return false;}
	else if (document.forms[0].add2.value==''){
	alert ('Please fill in your address');
	document.forms[0].add2.focus();
	return false;}
	else if (document.forms[0].poskod.value==''){
	alert ('What is your location poscode?');
	document.forms[0].poskod.focus();
	return false;}
	else if (document.forms[0].poskod.value.length <= 4 || document.forms[0].poskod.value.length > 5){
	alert ('Poscode not valid');
	document.forms[0].poskod.focus();
	return false;}
	else if (document.forms[0].poskod.value !='' && isNaN(document.forms[0].poskod.value)){
	alert ('Invalid poscode');
	document.forms[0].poskod.focus();
	return false;}
	
	else if (document.forms[0].phone.value==''){
	alert ('Please Input Phone Number');
	document.forms[0].phone.focus();
	return false;}
	else if (document.forms[0].phone.value.length <= 9 || document.forms[0].phone.value.length > 10){
	alert ('Invalid Phone Number');
	document.forms[0].phone.focus();
	return false;}
	else if (document.forms[0].phone.value !='' && isNaN(document.forms[0].phone.value)){
	alert ('Invalid Phone Number');
	document.forms[0].phone.focus();
	return false;}
	
	else if (validateEmail(document.forms[0].email.value,1,1)==false) 
	{return false;}
	
	else { 
	 return true;
	 }
	
}