function validate() {

var theMessage = "Please complete the following: \n-----------------------------------\n";
var noErrors = theMessage


if (document.contactfrm.FirstName.value=="") {
theMessage = theMessage + "\n --> Please fill in your first name";
}

if (document.contactfrm.Surname.value=="") {
theMessage = theMessage + "\n --> Please fill in your first name";
}

if (document.contactfrm.dayphone.value=="") {
theMessage = theMessage + "\n --> Please fill in your daytime telephone number";
}

if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.contactfrm.Email.value)){
theMessage = theMessage + "\n --> Please enter a valid e-mail address";
}

if (document.contactfrm.comments.value=="") {
theMessage = theMessage + "\n --> Please put your message or query in the message box";
}


// If no errors, submit the form
if (theMessage == noErrors) {
return true;

} else {

// If errors were found, show alert message
alert(theMessage);
return false;
}
}