var imageFiles_2o_4 = new Array();
imageFiles_2o_4['0'] = new Array ('_images/2o_Contact_Us_Home.gif', '_images/2o_Contact_Us_HomeMouseover.gif');
imageFiles_2o_4['1'] = new Array ('_images/2o_Board_of_Directors.gif', '_images/2o_Board_of_DirectorsMouseover.gif');
imageFiles_2o_4['2'] = new Array ('_images/2o_Committee_Chairs.gif', '_images/2o_Committee_ChairsMouseover.gif');
imageFiles_2o_4['3'] = new Array ('_images/2o_Membership_Questions.gif', '_images/2o_Membership_QuestionsMouseover.gif');
imageFiles_2o_4['4'] = new Array ('_images/2o_Mailing_List.gif', '_images/2o_Mailing_ListMouseover.gif');
imageFiles_2o_4['5'] = new Array ('_images/2o_Event_Registration.gif', '_images/2o_Event_RegistrationMouseover.gif');

function image_on_2o_4 (position) {
   var doc = eval("document.image2o_4" + position);
   doc.src = imageFiles_2o_4[position][1];
}

function image_off_2o_4 (position) {
   var doc = eval("document.image2o_4" + position);
   doc.src = imageFiles_2o_4[position][0];
}