var imageFiles_4t9up_19 = new Array();
imageFiles_4t9up_19['0'] = new Array ('_images/4t9up_Home.gif', '_images/4t9up_HomeMouseover.gif');
imageFiles_4t9up_19['1'] = new Array ('_images/4t9up_About_MA.gif', '_images/4t9up_About_MAMouseover.gif');
imageFiles_4t9up_19['2'] = new Array ('_images/4t9up_Start_Transitions.gif', '_images/4t9up_Start_TransitionsMouseover.gif');
imageFiles_4t9up_19['3'] = new Array ('_images/4t9up_Regional_Sites.gif', '_images/4t9up_Regional_SitesMouseover.gif');
imageFiles_4t9up_19['4'] = new Array ('_images/4t9up_Contact_Info.gif', '_images/4t9up_Contact_InfoMouseover.gif');
imageFiles_4t9up_19['5'] = new Array ('_images/4t9up_Speaker_Profiles.gif', '_images/4t9up_Speaker_ProfilesMouseover.gif');

function image_on_4t9up_19 (position) {
   var doc = eval("document.image4t9up_19" + position);
   doc.src = imageFiles_4t9up_19[position][1];
}

function image_off_4t9up_19 (position) {
   var doc = eval("document.image4t9up_19" + position);
   doc.src = imageFiles_4t9up_19[position][0];
}