// JavaScript Document

function checkForm(form){
<!--                        var email_test = /[a-z0-9]+(\.[a-z0-9]+)*@[a-z0-9]+(\.[a-z0-9]+)+/i -->

var email_test = /[a-zA-Z0-9]+(\.[a-zA-Z0-9\._-]+)*@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9\._-]+)+/i 
with(form){

if(contact.value == ""){
alert("Please fill your Full Name!");
return false;
}
if(phone.value == ""){
	alert("Please include your phone number!");
return false;                                      
}
if(email.value == ""){
alert("Please fill your Email address!");
return false;
} else {
	var res = email.value.match(email_test);
if(!res || res[0] != email.value){
alert("Invalid Email address!");
return false;
}
}

if(message.value == ""){
	alert("Please include your message.");
return false;
}
return true;
}
}