function validate() {

if (document.contact.Name.value.length < 1) {
alert("Please enter your name.");
document.contact.Name.focus();
contact.Name.style.backgroundColor='#21AEBD';
return false;
}

if (document.contact.Email.value.length < 1) {
alert("Please enter your email address.");
document.contact.Email.focus();
contact.Email.style.backgroundColor='#21AEBD';
return false;
}

if (document.contact.Subject.value.length < 1) {
alert("Please enter a subject for your query.");
document.contact.Subject.focus();
contact.Subject.style.backgroundColor='#21AEBD';
return false;
}

if (document.contact.Query.value.length < 1) {
alert("Please enter a query or question.");
document.contact.Query.focus();
contact.Query.style.backgroundColor='#21AEBD';
return false;
}

             
return true;

}