function change_company(x){
	if (window.ActiveXObject) { 
	httpObject = new ActiveXObject("Microsoft.XMLHTTP");
	} //telos if
	else if (window.XMLHttpRequest) {
httpObject = new XMLHttpRequest(); 
	} //TELOS ELSE IF
	
	httpObject.open("GET", "get_company.php?id="+x, true);
	httpObject.onreadystatechange   = function() {
        if (httpObject.readyState == 1)
   		{
        document.getElementById('loading').style.display='block';
        document.getElementById('company').style.display='none';
        document.getElementById('end_bar').style.display='none';
		}
      	else if (httpObject.readyState == 4 )
        {
        document.getElementById('loading').style.display='none';
        document.getElementById('company').style.display='block';
        document.getElementById('company').innerHTML = httpObject.responseText;
        document.getElementById('end_bar').style.display='block';
		}
                    
   		} // telos xmlhttp.onreadystatechange 
httpObject.send(null);
	//document.getElementById("company").innerHTML = httpObject.responseText;
	}
////////////////////////////////////////////////////////////////////////////////////////////
function change_service(x){
	if (window.ActiveXObject) { 
	httpObject = new ActiveXObject("Microsoft.XMLHTTP");
	} //telos if
	else if (window.XMLHttpRequest) {
httpObject = new XMLHttpRequest(); 
	} //TELOS ELSE IF
	
	httpObject.open("GET", "get_service.php?id="+x, true);
	httpObject.onreadystatechange   = function() {
        if (httpObject.readyState == 1)
   		{
        document.getElementById('loading').style.display='block';
        document.getElementById('service').style.display='none';
        document.getElementById('end_bar').style.display='none';
		}
      	else if (httpObject.readyState == 4 )
        {
        document.getElementById('loading').style.display='none';
        document.getElementById('service').style.display='block';
        document.getElementById('service').innerHTML = httpObject.responseText;
        document.getElementById('end_bar').style.display='block';

		}
                    
   		} // telos xmlhttp.onreadystatechange 
httpObject.send(null);
	//document.getElementById("company").innerHTML = httpObject.responseText;
	}
////////////////////////////////////////////////////////////////////////////////////////////
function clearText(field){
if (field.defaultValue == field.value) field.value = '';
else if (field.value == '') field.value = field.defaultValue;
}
///////////////////////////////////////////////////////////////////
function confirm_con_el(){
	
var name=document.contact_el.name.value;
var surname=document.contact_el.surname.value;
var email=document.contact_el.email.value;
var phone=document.contact_el.phone.value;
var address=document.contact_el.address.value;
var number=document.contact_el.number.value;
var city=document.contact_el.city.value;
var ps=document.contact_el.ps.value;
var area=document.contact_el.area.value;
var comments=document.contact_el.comments.value;

if (name.length<1 || isNaN(name)==false){
alert ('Παρακαλώ εισάγετε όνομα.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false){
alert ('Παρακαλώ εισάγετε επώνυμο.');
	return false;
	}	
	
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

if (phone.length<10 ){
	alert ('Παρακαλώ εισάγετε σωστό τηλεφωνικό αριθμό (10 ψηφία).');
	return false;
	}

if (address.length<1 || isNaN(address)==false){
alert ('Παρακαλώ εισάγετε σωστή διεύθυνση.');
	return false;
	}

if (number.length>3 || number==""){
alert ('Παρακαλώ εισάγετε σωστό αριθμό.');
	return false;
	}


if (city.length<1 || isNaN(city)==false){
alert ('Παρακαλώ εισάγετε πόλη.');
	return false;
	}
if (ps.length<1 || isNaN(ps)==true ){
alert ('Παρακαλώ εισάγετε Ταχυδρομικό κώδικα.');
	return false;
	}

if (area.length<1 ||  isNaN(area)==false){
alert ('Παρακαλώ εισάγετε περιοχή.');
	return false;
	}
if (comments.length<1 || comments=='Γράψτε τα σχόλια σας'){
alert ('Παρακαλώ εισάγετε σχόλιο.');
	return false;
	}


document.contact_el.submit();

window.scrollTo(0,0);
document.contact_el.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_con_en(){
	
var name=document.contact_en.name.value;
var surname=document.contact_en.surname.value;
var email=document.contact_en.email.value;
var phone=document.contact_en.phone.value;
var address=document.contact_en.address.value;
var number=document.contact_en.number.value;
var city=document.contact_en.city.value;
var ps=document.contact_en.ps.value;
var area=document.contact_en.area.value;
var comments=document.contact_en.comments.value;

if (name.length<1 || isNaN(name)==false){
alert ('Pls enter valid name.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false){
alert ('Pls enter valid surname.');
	return false;
	}	
	
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Pls enter valid email address");
	return false;	}

if (phone.length<10  ){
	alert ('Pls enter valid telephone number (10 digits).');
	return false;
	}

if (address.length<1 || isNaN(address)==false){
alert ('Pls enter valid address');
	return false;
	}

if (number.length>3 || number==""){
alert ('Pls enter valid street number.');
	return false;
	}


if (city.length<1 || isNaN(city)==false){
alert ('Pls enter valid city name.');
	return false;
	}
if (ps.length<1 ){
alert ('Pls enter valid PS code');
	return false;
	}

if (area.length<1 ||  isNaN(area)==false){
alert ('Pls enter valid Area name');
	return false;
	}
if (comments.length<1 || comments=='Pls write your comments'){
alert ('Pls enter comments');
	return false;
	}


document.contact_en.submit();

window.scrollTo(0,0);
document.contact_en.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_personal_el(){
	
var adults=document.personal_el.adults.value;
var trip=document.personal_el.trip.value;
var transport=document.personal_el.transport.value;
var departure_day=document.personal_el.departure_day.value;
var accommodation=document.personal_el.accommodation.value;
var nights=document.personal_el.nights.value;
var room_type=document.personal_el.room_type.value;
var rooms=document.personal_el.rooms.value;
var food=document.personal_el.food.value;

var name=document.personal_el.name.value;
var surname=document.personal_el.surname.value;
var email=document.personal_el.email.value;
var phone=document.personal_el.phone.value;
/*var address=document.personal_el.address.value;
var number=document.personal_el.number.value;*/
var city=document.personal_el.city.value;
<!--var ps=document.personal_el.ps.value;-->
<!--var area=document.personal_el.area.value;-->


if (adults=="" || isNaN(adults)==true || adults<1 || adults>20){
alert ('Παρακαλώ εισάγετε έγκυρο αριθμό ενηλίκων (1-20).');
	return false;
	}

if (trip==0 ){
alert ('Παρακαλώ επιλέξτε σκοπό ταξιδιού.');
	return false;
	}

if (transport==0 && document.getElementById('transportyesno').checked==true){
alert ('Παρακαλώ επιλέξτε μεταφορικό μέσο.');
	return false;
	}

if (departure_day=="" && document.getElementById('transportyesno').checked==true){
alert ('Παρακαλώ επιλέξτε μέρα αναχώρησης.');
	return false;
	}
if (accommodation==0 && document.getElementById('accomodationyesno').checked==true){
alert ('Παρακαλώ επιλέξτε τύπο καταλύματος.');
	return false;
	}
if ( (nights=="" || isNaN(nights)==true || nights<1 || nights>30) && document.getElementById('accomodationyesno').checked==true){
alert ('Παρακαλώ εισάγετε αριθμό διανυκτερεύσεων.');
	return false;
	}
if (room_type==0 && document.getElementById('accomodationyesno').checked==true) {
alert ('Παρακαλώ επιλέξτε τύπο δωματίων.');
	return false;
	}

if ((rooms=="" || isNaN(rooms)==true || rooms<1 || rooms>30) && document.getElementById('accomodationyesno').checked==true){
alert ('Παρακαλώ εισάγετε αριθμό δωματίων (1-30).');
	return false;
	}

if (food==0 && document.getElementById('accomodationyesno').checked==true) {
alert ('Παρακαλώ επιλέξτε διατροφή.');
	return false;
	}

if (name.length<1 || isNaN(name)==false){
alert ('Παρακαλώ εισάγετε όνομα.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false){
alert ('Παρακαλώ εισάγετε επώνυμο.');
	return false;
	}	
	
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

if (phone.length<10 ){
	alert ('Παρακαλώ εισάγετε σωστό τηλεφωνικό αριθμό (10 ψηφία).');
	return false;
	}

/*if (address.length<4 || isNaN(address)==false){
alert ('Παρακαλώ εισάγετε σωστή διεύθυνση.');
	return false;
	}*/

/*if (number.length>3 || isNaN(number)==true || number==""){
alert ('Παρακαλώ εισάγετε σωστό αριθμό.');
	return false;
	}*/

if (city.length<1 || isNaN(city)==false){
alert ('Παρακαλώ εισάγετε πόλη.');
	return false;
	}
/*if (ps.length<5 || isNaN(ps)==true ){
alert ('Παρακαλώ εισάγετε Ταχυδρομικό κώδικα.');
	return false;
	}*/

/*if (area.length<5 ||  isNaN(area)==false){
alert ('Παρακαλώ εισάγετε περιοχή.');
	return false;
	}*/


if (document.personal_el.terms.checked==false){
	alert ('Δεν έχετε επιλέξει την αποδοχή των όρων χρήσης');
	return false;}


document.personal_el.submit();

window.scrollTo(0,0);
document.personal_el.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_personal_en(){
	
var adults=document.personal_en.adults.value;
var trip=document.personal_en.trip.value;
var transport=document.personal_en.transport.value;
var departure_day=document.personal_en.departure_day.value;
var accommodation=document.personal_en.accommodation.value;
var nights=document.personal_en.nights.value;
var room_type=document.personal_en.room_type.value;
var rooms=document.personal_en.rooms.value;
var food=document.personal_en.food.value;

var name=document.personal_en.name.value;
var surname=document.personal_en.surname.value;
var email=document.personal_en.email.value;
var phone=document.personal_en.phone.value;
/*var address=document.personal_en.address.value;
var number=document.personal_en.number.value;*/
var city=document.personal_en.city.value;
/*var ps=document.personal_en.ps.value;
var area=document.personal_en.area.value;*/



if (adults=="" || isNaN(adults)==true || adults<1 || adults>20){
alert ('Pls enter valid number of adults (1-20).');
	return false;
	}

if (trip==0 ){
alert ('Pls select trip purpose');
	return false;
	}

if (transport==0 && document.getElementById('transportyesno').checked==true){
alert ('Pls select transportation ');
	return false;
	}

if (departure_day=="" && document.getElementById('transportyesno').checked==true){
alert ('Pls select departure day');
	return false;
	}
if (accommodation==0 && document.getElementById('accomodationyesno').checked==true){
alert ('Pls select accommodation');
	return false;
	}
if ( (nights=="" || isNaN(nights)==true || nights<1 || nights>30) && document.getElementById('accomodationyesno').checked==true){
alert ('Pls select nights of stay.');
	return false;
	}
if (room_type==0 && document.getElementById('accomodationyesno').checked==true) {
alert ('Pls select room type.');
	return false;
	}

if ((rooms=="" || isNaN(rooms)==true || rooms<1 || rooms>30) && document.getElementById('accomodationyesno').checked==true){
alert ('Pls enter number of rooms (1-30).');
	return false;
	}

if (food==0 && document.getElementById('accomodationyesno').checked==true) {
alert ('Pls select food type.');
	return false;
	}

if (name.length<1 || isNaN(name)==false){
alert ('Pls enter name.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false){
alert ('Pls enter surname.');
	return false;
	}	
	
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Pls enter valid email address");
	return false;	}

if (phone.length<10 ){
	alert ('Pls enter valid phone number.');
	return false;
	}

/*if (address.length<4 || isNaN(address)==false){
alert ('Pls enter valid street address.');
	return false;
	}

if (number.length>3 || isNaN(number)==true || number==""){
alert ('Pls enter valid street number.');
	return false;
	}
*/
if (city.length<1 || isNaN(city)==false){
alert ('Pls enter city.');
	return false;
	}
/*if (ps.length<5 || isNaN(ps)==true ){
alert ('Pls enter valid pscode');
	return false;
	}

if (area.length<5 ||  isNaN(area)==false){
alert ('Pls enter area.');
	return false;
	}*/


if (document.personal_en.terms.checked==false){
	alert ('You have to accept terms of use');
	return false;}



document.personal_en.submit();

window.scrollTo(0,0);
document.personal_en.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_signup_el(){
	
var name=document.signup_el.name.value;
var surname=document.signup_el.surname.value;
var username=document.signup_el.username.value;
var password=document.signup_el.password.value;
var password2=document.signup_el.password2.value;
var email=document.signup_el.email.value;
var phone=document.signup_el.phone.value;
var city=document.signup_el.city.value;

if (name.length<1 || isNaN(name)==false || name.length>20){
alert ('Παρακαλώ εισάγετε όνομα.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false || name.length>20){
alert ('Παρακαλώ εισάγετε επώνυμο.');
	return false;
	}	
	
if (username.length<5 || isNaN(username)==false || username.length>20){
alert ('Παρακαλώ εισάγετε έγκυρο κωδικό χρήστη (5-20 ψηφία).');
	return false;
	}
///////////////////////////////////////////////////////////////////////////////////
if (window.ActiveXObject) { 
httpObject = new ActiveXObject("Microsoft.XMLHTTP");
httpObject2 = new ActiveXObject("Microsoft.XMLHTTP");
} //telos if
else if (window.XMLHttpRequest) {
httpObject = new XMLHttpRequest(); 
httpObject2 = new XMLHttpRequest();
} //TELOS ELSE IF

httpObject.open("GET", "get_all.php?username="+document.getElementById('username').value, false);
////////////////////////////////////////////////////////////////////////////////
httpObject.onreadystatechange = function() {}
httpObject.send(null);
document.getElementById("username_verification").value = httpObject.responseText;
////////////////////////////////////////////////////////////////////////////////
if (document.getElementById('username_verification').value==1){
	alert ('Το όνομα χρήστη χρησιμοποιείται ήδη.Παρακαλώ επιλέξτε άλλο!');
	return false;
	}


if (password.length<5 ||  password.length>20){
alert ('Παρακαλώ εισάγετε έγκυρο κωδικό (5-20 ψηφία).');
	return false;
	}

if (password2!=password){
alert ('Ανεπιτυχής επιβεβαίωση κωδικού.');
	return false;
	}


if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

////////////////////////////////////////////////////////////////////////////////
httpObject2.open("GET", "get_all.php?email="+document.getElementById("email").value, false);
httpObject2.onreadystatechange = function() {}
httpObject2.send(null);
document.getElementById("email_verification").value = httpObject2.responseText;
////////////////////////////////////////////////////////////////////////////////
if (document.getElementById('email_verification').value==1){
	alert ('Το email αυτό χρησιμοποιείται ήδη.Παρακαλώ επιλέξτε άλλο!');
	return false;
	}


if (phone.length<10 ){
	alert ('Παρακαλώ εισάγετε σωστό τηλεφωνικό αριθμό (10 ψηφία).');
	return false;
	}

if (city.length<1 || isNaN(city)==false){
alert ('Παρακαλώ εισάγετε πόλη.');
	return false;
	}
//if (document.signup_el.terms.checked==false){
//	alert ('Για την εγγραφή σας απαιτείται η αποδοχή των όρων χρήσης.');
//	return false;}


document.signup_el.submit();

window.scrollTo(0,0);
document.signup_el.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_signup_en(){
	
var name=document.signup_en.name.value;
var surname=document.signup_en.surname.value;
var username=document.signup_en.username.value;
var password=document.signup_en.password.value;
var password2=document.signup_en.password2.value;
var email=document.signup_en.email.value;
var phone=document.signup_en.phone.value;
var city=document.signup_en.city.value;

if (name.length<1 || isNaN(name)==false || name.length>20){
alert ('Pls enter valid name.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false || surname.length>20){
alert ('Pls enter valid surname.');
	return false;
	}	
	
if (username.length<5 || isNaN(username)==false || username.length>20){
alert ('Pls enter valid username (5-20 digits).');
	return false;
	}

if (window.ActiveXObject) { 
httpObject = new ActiveXObject("Microsoft.XMLHTTP");
httpObject2 = new ActiveXObject("Microsoft.XMLHTTP");
} //telos if
else if (window.XMLHttpRequest) {
httpObject = new XMLHttpRequest(); 
httpObject2 = new XMLHttpRequest();
} //TELOS ELSE IF

httpObject.open("GET", "get_all.php?username="+document.getElementById('username').value, false);

////////////////////////////////////////////////////////////////////////////////
httpObject.onreadystatechange = function() {}
httpObject.send(null);
document.getElementById("username_verification").value = httpObject.responseText;
////////////////////////////////////////////////////////////////////////////////

if (document.getElementById('username_verification').value==1){
	alert ('Username exists!Pls choose another!');
	return false;
	}

if (password.length<5 ||  password.length>20){
alert ('Pls enter valid password (5-20 digits).');
	return false;
	}

if (password2!=password){
alert ('Password confirmation failed.');
	return false;
	}


if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Pls enter valid email address");
	return false;	}

////////////////////////////////////////////////////////////////////////////////
httpObject2.open("GET", "get_all.php?email="+document.getElementById("email").value, false);
httpObject2.onreadystatechange = function() {}
httpObject2.send(null);
document.getElementById("email_verification").value = httpObject2.responseText;
////////////////////////////////////////////////////////////////////////////////
if (document.getElementById('email_verification').value==1){
	alert ('Email exists!Pls choose another!');
	return false;
	}

if (phone.length<10  ){
	alert ('Pls enter valid telephone number (10 digits).');
	return false;
	}

if (city.length<1 || isNaN(city)==false){
alert ('Pls enter valid city name.');
	return false;
	}

//if (document.signup_en.terms.checked==false){
//	alert ('Pls accept terms of use to signup.');
//	return false;}

document.signup_en.submit();

window.scrollTo(0,0);
document.signup_en.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_passrecover_el(){
	
var email=document.pass_recover_el.email.value;

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

document.pass_recover_el.submit();	

window.scrollTo(0,0);
document.pass_recover_el.reset();

}
///////////////////////////////////////////////////////////////////
function confirm_passrecover_en(){
	
var email=document.pass_recover_en.email.value;

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Pls enter valid email address");
	return false;	}


document.pass_recover_en.submit();	

window.scrollTo(0,0);
document.pass_recover_en.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_cruise_el(){
	
var name=document.cruise_el.name.value;
var surname=document.cruise_el.surname.value;
var email=document.cruise_el.email.value;
var phone=document.cruise_el.phone.value;
var date=document.cruise_el.date.value;

var adults=document.cruise_el.adults.value;
var cabins_cat=document.cruise_el.cabins_cat.value;
var cabins_type=document.cruise_el.cabins_type.value;


if (name.length<1 || isNaN(name)==false){
alert ('Παρακαλώ εισάγετε όνομα.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false){
alert ('Παρακαλώ εισάγετε επώνυμο.');
	return false;
	}	
	
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

if (phone.length<10 ){
	alert ('Παρακαλώ εισάγετε σωστό τηλεφωνικό αριθμό (10 ψηφία).');
	return false;
	}

if (date==''){
alert ('Παρακαλώ εισάγετε επιθυμητή ημερομηνία αναχώρησης.');
	return false;
	}

if (adults=="" || isNaN(adults)==true || adults<1 || adults>20){
alert ('Παρακαλώ εισάγετε έγκυρο αριθμό ενηλίκων (1-20).');
	return false;
	}

if (cabins_cat=="0" ){
alert ('Παρακαλώ επιλέξτε κατηγορία καμπίνας');
	return false;
	}

if (cabins_type=="0" ){
alert ('Παρακαλώ επιλέξτε τύπο καμπίνας');
	return false;
	}

document.cruise_el.submit();

window.scrollTo(0,0);
document.cruise_el.reset();
}
///////////////////////////////////////////////////////////////////
function confirmtrip_el(){
	
var name=document.trip_interest.name.value;
var surname=document.trip_interest.surname.value;
var email=document.trip_interest.email.value;
var phone=document.trip_interest.phone.value;
var address=document.trip_interest.address.value;
var number=document.trip_interest.number.value;
var city=document.trip_interest.city.value;

if (name.length<1 || isNaN(name)==false){
alert ('Παρακαλώ εισάγετε όνομα.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false){
alert ('Παρακαλώ εισάγετε επώνυμο.');
	return false;
	}	
	
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

if (phone.length<10 ){
	alert ('Παρακαλώ εισάγετε σωστό τηλεφωνικό αριθμό (10 ψηφία).');
	return false;
	}

if (address.length<1 || isNaN(address)==false){
alert ('Παρακαλώ εισάγετε σωστή διεύθυνση.');
	return false;
	}

if (number.length>3 || number==""){
alert ('Παρακαλώ εισάγετε σωστό αριθμό.');
	return false;
	}


if (city.length<1 || isNaN(city)==false){
alert ('Παρακαλώ εισάγετε πόλη.');
	return false;
	}

document.trip_interest.submit();

window.scrollTo(0,0);
document.trip_interest.reset();
}
///////////////////////////////////////////////////////////////////
function confirm_trip_en(){
	
var name=document.trip_interest.name.value;
var surname=document.trip_interest.surname.value;
var email=document.trip_interest.email.value;
var phone=document.trip_interest.phone.value;
var address=document.trip_interest.address.value;
var number=document.trip_interest.number.value;
var city=document.trip_interest.city.value;

if (name.length<1 || isNaN(name)==false){
alert ('Pls enter your name!.');
	return false;
	}
if (surname.length<1 || isNaN(surname)==false){
alert ('Pls enter your surname');
	return false;
	}	
	
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Pls enter valid email address");
	return false;	}

if (phone.length<10  ){
	alert ('Pls enter valid phone number (10 digits min).');
	return false;
	}

if (address.length<4 || isNaN(address)==false){
alert ('Pls enter valid street address');
	return false;
	}

if (number.length>3 || number==""){
alert ('Pls enter valid street number');
	return false;
	}


if (city.length<1 || isNaN(city)==false){
alert ('Pls enter valid city.');
	return false;
	}

document.trip_interest.submit();

window.scrollTo(0,0);
document.trip_interest.reset();

}
///////////////////////////////////////////////////////////////////
function validate_olympia(){
	
var company=document.olympia.company.value;
var address=document.olympia.address.value;
var city=document.olympia.city.value;
var phone=document.olympia.phone.value;
var email=document.olympia.email.value;
var dayfrom=document.olympia.dayfrom.value;
var dayto=document.olympia.dayto.value;
var hoursfrom=document.olympia.hoursfrom.value;
var hoursto=document.olympia.hoursto.value;

var comments=document.olympia.comments.value;

if (company.length<2 || isNaN(company)==false){
alert ('Παρακαλώ εισάγετε ονομασία Εταιρείας/Οργανισμού.');
	return false;
	}
if (phone.length<10  ){
	alert ('Παρακαλώ εισάγετε σωστό τηλεφωνικό αριθμό (10 ψηφία).');
	return false;
	}

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

if (dayfrom=='' ){
	alert ('Παρακαλώ εισάγετε ημερομηνία έναρξης συνεδρίου.');
	return false;
	}
if (dayto=='' ){
	alert ('Παρακαλώ εισάγετε ημερομηνία λήξης συνεδρίου.');
	return false;
	}

if (hoursfrom=='' || isNaN(hoursfrom) ){
	alert ('Παρακαλώ συμπληρώστε για πόσες ώρες ζητάτε την αίθουσα.');
	return false;
	}
if (hoursto=='' || isNaN(hoursto)){
	alert ('Παρακαλώ συμπληρώστε για πόσες ώρες ζητάτε την αίθουσα.');
	return false;
	}


document.olympia.submit();

window.scrollTo(0,0);
document.olympia.reset();
}
///////////////////////////////////////////////////////////////////
function validate_cv_el(){
	
var name=document.cv.name.value;
var year=document.cv.year.value;
var family=document.cv.family.value;
var Army=document.cv.Army.value;
var address=document.cv.address.value;
var email=document.cv.email.value;
var phone=document.cv.phone.value;


if (name.length<1 || isNaN(name)==false){
alert ('Παρακαλώ εισάγετε ονοματεπώνυμο.');
	return false;
	}

if (address.length<1 ){
	alert ('Παρακαλώ εισάγετε σωστή διεύθυνση.');
	return false;
	}

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Παρακαλώ εισάγετε έγκυρη διεύθυνση email");
	return false;	}

if (phone.length<10 ){
	alert ('Παρακαλώ εισάγετε σωστό τηλεφωνικό αριθμό (10 ψηφία).');
	return false;
	}



document.cv.submit();

window.scrollTo(0,0);
document.cv.reset();
}
///////////////////////////////////////////////////////////////////


function validate_cv_en(){
	
var name=document.cv.name.value;
var year=document.cv.year.value;
var family=document.cv.family.value;
var Army=document.cv.Army.value;
var address=document.cv.address.value;
var email=document.cv.email.value;
var phone=document.cv.phone.value;


if (name.length<1 || isNaN(name)==false){
alert ('Please enter your fullname.');
	return false;
	}

if (address.length<1 ){
	alert ('Please enter your street address.');
	return false;
	}

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)==false){
	alert("Please enter valid email address");
	return false;	}

if (phone.length<10 ){
	alert ('Please enter valid phone number (10 digits).');
	return false;
	}



document.cv.submit();

window.scrollTo(0,0);
document.cv.reset();
}
///////////////////////////////////////////////////////////////////