function checkemail(str){
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(str))
testresults=true
else{
alert("Please input a valid email address!");
testresults=false;
}
return (testresults)
}
function MKcheckForm(formName){
if ((formName.firstName.value.length<3) &&(formName.lastName.value.length<3) ) {
alert("Please fill in your name.");
formName.firstName.focus();
return false;
}
if (formName.tel.value.length<4) {
alert("Please fill in  your phone number.");
formName.tel.focus();
return false;
}
if (formName.address1.value.length<2) {
alert("Please fill in  your address.");
formName.address1.focus();
return false;
}
if (formName.postcode.value.length<2) {
alert("Please fill in  your postcode.");
formName.postcode.focus();
return false;
}
return checkemail(formName.email.value);
}