function validate_form_selections(f)
{
    for (var i=0, j=f.elements.length; i<j; i++)
    {
        var t = f.elements[i].type;
        if (t.match(/select/))
        {
            if (f.elements[i].value == '')
            {
                alert("Please Select " + f.elements[i].name + "!");
                f.elements[i].focus();
                return false;
            }
        }
    }
}