var imageFiles_xn_15 = new Array();
imageFiles_xn_15['0'] = new Array ('_images/xn_Project_Overview__.gif', '_images/xn_Project_Overview__Mouseover.gif');
imageFiles_xn_15['1'] = new Array ('_images/xn_Residency_Programs__.gif', '_images/xn_Residency_Programs__Mouseover.gif');
imageFiles_xn_15['2'] = new Array ('_images/xn_Programs_in_Development__.gif', '_images/xn_Programs_in_Development__Mouseover.gif');
imageFiles_xn_15['3'] = new Array ('_images/xn_News___Events__.gif', '_images/xn_News___Events__Mouseover.gif');
imageFiles_xn_15['4'] = new Array ('_images/xn_Participation__.gif', '_images/xn_Participation__Mouseover.gif');
imageFiles_xn_15['5'] = new Array ('_images/xn_Organization.gif', '_images/xn_OrganizationMouseover.gif');

function image_on_xn_15 (position) {
   var doc = eval("document.imagexn_15" + position);
   doc.src = imageFiles_xn_15[position][1];
}

function image_off_xn_15 (position) {
   var doc = eval("document.imagexn_15" + position);
   doc.src = imageFiles_xn_15[position][0];
}