function skillSelect(obj) {
    if (obj.className != 'Selected') {
        var skillsHeaders = document.getElementById('Skills').getElementsByTagName('H3');
        var skillsLists = document.getElementById('Skills').getElementsByTagName('UL');

        for (i = 0; i < skillsHeaders.length; i++) {
            if (obj == skillsHeaders[i]) {
                skillsHeaders[i].className = 'Selected';
                skillsLists[i].className = 'Selected';
            }
            else {
                skillsHeaders[i].className = '';
                skillsLists[i].className = '';
            }
        }
    }
}