For Mac OS users, there is a system setting that may not allow you to tab onto several types of elements in a web page. To change this setting:
Ray - 8:25 - 8:50 Brazeal - 8:55 - 9:20 Campbell - 9:25 - 9:50 Rainey - 9:55 - 10:20 Nation - 10:25 - 10:50 Gallegos - 10:55 - 11: 15 Foreman - 11:30 - 11:55