var imageFiles_570cz_31 = new Array();
imageFiles_570cz_31['0'] = new Array ('_images/570cz_HOME.gif', '_images/570cz_HOMEMouseover.gif');
imageFiles_570cz_31['1'] = new Array ('_images/570cz_ABOUT_US.gif', '_images/570cz_ABOUT_USMouseover.gif');
imageFiles_570cz_31['2'] = new Array ('_images/570cz_GROUPS.gif', '_images/570cz_GROUPSMouseover.gif');
imageFiles_570cz_31['3'] = new Array ('_images/570cz_OFFICERS.gif', '_images/570cz_OFFICERSMouseover.gif');
imageFiles_570cz_31['4'] = new Array ('_images/570cz_JOIN.gif', '_images/570cz_JOINMouseover.gif');
imageFiles_570cz_31['5'] = new Array ('_images/570cz_FEEDBACK.gif', '_images/570cz_FEEDBACKMouseover.gif');
imageFiles_570cz_31['6'] = new Array ('_images/570cz_CONTACT_US.gif', '_images/570cz_CONTACT_USMouseover.gif');
imageFiles_570cz_31['7'] = new Array ('_images/570cz_LINKS.gif', '_images/570cz_LINKSMouseover.gif');
imageFiles_570cz_31['8'] = new Array ('_images/570cz_TICKETS.gif', '_images/570cz_TICKETSMouseover.gif');

function image_on_570cz_31 (position) {
   var doc = eval("document.image570cz_31" + position);
   doc.src = imageFiles_570cz_31[position][1];
}

function image_off_570cz_31 (position) {
   var doc = eval("document.image570cz_31" + position);
   doc.src = imageFiles_570cz_31[position][0];
}