function checkContactUs()
{
if(document.getElementById("name").value.length < 4) {
alert("Please enter your name.")
return false;
}
if(document.getElementById("email").value.length < 4) {
alert("Please enter your email address!")
return false;
}
if(document.getElementById("zip").value.length < 5) {
alert("Please enter your zip code!")
return false;
}
}