var imageFiles_d_13 = new Array();
imageFiles_d_13['0'] = new Array ('_images/d_HOME.gif', '_images/d_HOMEMouseover.gif');
imageFiles_d_13['1'] = new Array ('_images/d_ABOUT_US.gif', '_images/d_ABOUT_USMouseover.gif');
imageFiles_d_13['2'] = new Array ('_images/d_CONTACT_US.gif', '_images/d_CONTACT_USMouseover.gif');
imageFiles_d_13['3'] = new Array ('_images/d_DIRECTIONS.gif', '_images/d_DIRECTIONSMouseover.gif');
imageFiles_d_13['4'] = new Array ('_images/d_SERVICES.gif', '_images/d_SERVICESMouseover.gif');
imageFiles_d_13['5'] = new Array ('_images/d_PATIENTS.gif', '_images/d_PATIENTSMouseover.gif');
imageFiles_d_13['6'] = new Array ('_images/d_EVENTS.gif', '_images/d_EVENTSMouseover.gif');
imageFiles_d_13['7'] = new Array ('_images/d_LINKS.gif', '_images/d_LINKSMouseover.gif');

function image_on_d_13 (position) {
   var doc = eval("document.imaged_13" + position);
   doc.src = imageFiles_d_13[position][1];
}

function image_off_d_13 (position) {
   var doc = eval("document.imaged_13" + position);
   doc.src = imageFiles_d_13[position][0];
}