function validate() {

var name=document.form.name.value;
var company=document.form.company.value;
var address1=document.form.address1.value;
var address2=document.form.address2.value;
var town=document.form.town.value;
var postcode=document.form.postcode.value;
var tel=document.form.tel.value;
var email=document.form.email.value;
var comments=document.form.comments.value;

if (!(/^[\ 0-9A-Za-z]{1,30}$/).test(name)) {
        alert('Incorrect Name');
        return false;
}

if (!(/^[\ 0-9A-Za-z]{1,30}$/).test(company)) {
	alert('Incorrect Company Name');
	return false;
}

if (!(/^[\ 0-9A-Za-z]{1,30}$/).test(address1)) {
        alert('Incorrect Address1');
        return false;
}

if (!(/^[\ 0-9A-Za-z]{1,30}$/).test(town)) {
        alert('Incorrect Town name');
        return false;
}

if (!(/^[A-Za-z]{1,2}[0-9]{1,2}\ [0-9][A-Za-z][A-Za-z]$/).test(postcode)) {
        alert('Incorrect Postcode');
        return false;
}

if (!(/^[\ [0-9]{1,15}$/).test(tel)){
        alert('Incorrect Contact No');
        return false;
}

if (!(/^[^\@\s]*\@[A-Za-z0-9\-][A-Za-z0-9\-\.]*\.[a-zA-Z]{2,4}$/).test(email)){
        alert('Incorrect Contact Email');
        return false;
}

return true;

}

function exist() {
	
}