timercount=10;

function check_email() {
if (document.getElementById) {
var email=document.getElementById('email').value;
if (email=="") {
alert("Please enter your email address");
return false;
} else {
return true;
}}}

function register() {
if (document.getElementById) {
//submit email address
var email=document.getElementById('email').value;
if (email!="") {
document.getElementById('updates').src="register_email.php?email="+email;
document.getElementById('email2').value=document.getElementById('email').value;
show('section2');hide('section1');
document.getElementById('update').value="0";
} else {
alert("Please enter your email address");
}
return false;
} else {
return true;
}}

function register2() {
if (document.getElementById) {
//submit data
var email=document.getElementById('email2').value;
var company=document.getElementById('company').value;
var firstname=document.getElementById('firstname').value;
var lastname=document.getElementById('lastname').value;
var address=document.getElementById('address').value;
var town=document.getElementById('town').value;
var postcode=document.getElementById('postcode').value;
var country=document.getElementById('country').value;
document.getElementById('update').value="0";
timerID=window.setTimeout("response()",100);
document.getElementById('updates').src="register.php?email2="+email+"&company="+company+"&firstname="+firstname+"&lastname="+lastname+"&address="+address+"&town="+town+"&postcode="+postcode+"&country="+country;
return false;
} else {
return true;
}}

function response() {
if (document.getElementById) {
var update=document.getElementById('update').value;
if (update>0) {

//show message
document.getElementById('section2m').innerHTML=window.frames['updates'].document.getElementById('message').innerHTML;

show('section2m');
if (update==1) {hide('section2');}
//cancel timer
window.clearTimeout(timerID);
} else {
timerID=window.setTimeout("response()",100);
}}}

function show(id) {
if (document.getElementById) {
document.getElementById(id).style.display="block";
}}

function hide(id) {
if (document.getElementById) {
document.getElementById(id).style.display="none";
}}

function print_page() {
if (window.print) {
window.print();
return false;
}
return true;
}

function change_img(id) {
if (document.getElementById) {
var area_name="img";
document.getElementById('photo').src="/images/photos/"+area_name+id+".jpg";
if (photoorient[id]=="P") {
document.getElementById('photo').width=420
document.getElementById('photo').height=560
} else {
document.getElementById('photo').width=560
document.getElementById('photo').height=420
}
document.getElementById('phototext').innerHTML=phototext[id];
return false
} else {
return true
}}