<!--

function validate_form() {
ok(3000)
validity = true;

if (!check_empty(document.hkform.firstname.value))
{validity = false; alert('Please fill in your first name!');document.hkform.firstname.focus(); return validity;}

if (!check_empty(document.hkform.surname.value))
{validity = false; alert('Please fill in your family name!');document.hkform.surname.focus(); return validity;}

if (!check_email(document.hkform.email.value))
{validity = false; alert('Your email-address is invalid!');document.hkform.email.focus(); return validity;}

if (!check_empty(document.hkform.message.value))
{validity = false; alert('Please write something to us in the message box!');document.hkform.message.focus(); return validity;}

if (validity)
islem = true;
return validity;
}
function check_empty(text) {
return (text.length>0);
}
function check_size(text) {
return (text.length>10);
}
function check_email(address) {
if ((address =="") || (address.indexOf ('@') == -1)
|| (address.indexOf ('.') == -1))
return false;
return true;
}
function ok(maxchars) {
if(document.hkform.message.value.length > maxchars) {
alert('Too much text in the message box! Please remove '+
(document.hkform.message.value.length - maxchars)+ ' characters');
return false; }
else
return true;
}
// -->