function checktheform() {
if (document.form1.firstname.value == ""){
	alert("Please enter your first name.");
} else if (document.form1.lastname.value == ""){
	alert("Please enter your surname.");
} else if (document.form1.address1.value == ""){
	alert("Please enter your address");
} else if (document.form1.postcode.value == "" && document.form1.country.value == "United Kingdom"){
	alert("Please enter your postcode");
} else if (document.form1.country.selectedIndex == 0){
	alert("Please enter your Country of residence.");
} else if ((document.form1.email.value.indexOf('@') == -1) || (document.form1.email.value.indexOf('.') == -1)){
	alert("The E-mail address you entered doesn\'t appear to be valid. Please check you entered it correctly.");
} else {
document.form1.submit();
}
}
//-->