<!--
function emailCheck() {  
txt=document.guestbook.Email.value;  
if (txt.indexOf("@")<3){  
alert("Invalid Email Address. Please try again.");  
return false;  
}  
return true;  
}

function onButtonClick() { 
var message = "";
if (document.guestbook.Name.value == "") { 
message = message + "Name is required\n";
} 
if (document.guestbook.Email.value == "") { 
message = message + "Email address is required\n";
}  
if(message!=""){
alert("The following form field(s) were incomplete or incorrect:\n\n" + message + "\n\n Please complete or correct the form and submit again.");
}    
else {
alert("Thank you, your request is being submitted.");
document.guestbook.action = "../assets/send_guestbook.php?send=guestbook";
document.guestbook.method = "post";
document.guestbook.submit();
} 
}
//-->