var imageFiles_6o_4 = new Array();
imageFiles_6o_4['0'] = new Array ('_images/6o_Membership_Main.gif', '_images/6o_Membership_MainMouseover.gif');
imageFiles_6o_4['1'] = new Array ('_images/6o_Board_of_Directors.gif', '_images/6o_Board_of_DirectorsMouseover.gif');
imageFiles_6o_4['2'] = new Array ('_images/6o_Member_Directory.gif', '_images/6o_Member_DirectoryMouseover.gif');
imageFiles_6o_4['3'] = new Array ('_images/6o_Benefits_of_Joining.gif', '_images/6o_Benefits_of_JoiningMouseover.gif');
imageFiles_6o_4['4'] = new Array ('_images/6o_How_to_Join.gif', '_images/6o_How_to_JoinMouseover.gif');
imageFiles_6o_4['5'] = new Array ('_images/6o_Membership_Questions.gif', '_images/6o_Membership_QuestionsMouseover.gif');

function image_on_6o_4 (position) {
   var doc = eval("document.image6o_4" + position);
   doc.src = imageFiles_6o_4[position][1];
}

function image_off_6o_4 (position) {
   var doc = eval("document.image6o_4" + position);
   doc.src = imageFiles_6o_4[position][0];
}