function validate_form ( )
{
    valid = true;

    if ( document.form.Name.value == "" )
    {
        alert ( "Please enter your full name." );
        valid = false;
    }
	
	if ( document.form.Address.value == "" )
    {
        alert ( "Please enter your address." );
        valid = false;
    }
	if ( document.form.City.value == "" )
    {
        alert ( "Please enter the city in which you live." );
        valid = false;
    }
	if ( document.form.State.selectedIndex == 0 )
    {
        alert ( "Please select your state of residence." );
        valid = false;
    }
	if ( document.form.Zip.value == "" )
    {
        alert ( "Please enter your ZIP Code." );
        valid = false;
    }
	if ( document.form.Phone.value == "" )
    {
        alert ( "Please enter your phone number." );
        valid = false;
    }
	    return valid;
}