var imageFiles_3a_7 = new Array();
imageFiles_3a_7['0'] = new Array ('_images/3a_CONFERENCE.gif', '_images/3a_CONFERENCEMouseover.gif');
imageFiles_3a_7['1'] = new Array ('_images/3a_SPEAKERS.gif', '_images/3a_SPEAKERSMouseover.gif');
imageFiles_3a_7['2'] = new Array ('_images/3a_EVENTS.gif', '_images/3a_EVENTSMouseover.gif');
imageFiles_3a_7['3'] = new Array ('_images/3a_JOIN.gif', '_images/3a_JOINMouseover.gif');
imageFiles_3a_7['4'] = new Array ('_images/3a_CONTACT_US.gif', '_images/3a_CONTACT_USMouseover.gif');
imageFiles_3a_7['5'] = new Array ('_images/3a_LINKS.gif', '_images/3a_LINKSMouseover.gif');
imageFiles_3a_7['6'] = new Array ('_images/3a_Tickets.gif', '_images/3a_TicketsMouseover.gif');
imageFiles_3a_7['7'] = new Array ('_images/3a_Administration.gif', '_images/3a_AdministrationMouseover.gif');

function image_on_3a_7 (position) {
   var doc = eval("document.image3a_7" + position);
   doc.src = imageFiles_3a_7[position][1];
}

function image_off_3a_7 (position) {
   var doc = eval("document.image3a_7" + position);
   doc.src = imageFiles_3a_7[position][0];
}