var imageFiles_1dn_1 = new Array();
imageFiles_1dn_1['0'] = new Array ('_images/1dn_Project_Overview__.gif', '_images/1dn_Project_Overview__Mouseover.gif');
imageFiles_1dn_1['1'] = new Array ('_images/1dn_Residency_Programs_____.gif', '_images/1dn_Residency_Programs_____Mouseover.gif');
imageFiles_1dn_1['2'] = new Array ('_images/1dn_Programs_in_Development____.gif', '_images/1dn_Programs_in_Development____Mouseover.gif');
imageFiles_1dn_1['3'] = new Array ('_images/1dn_News___Events______.gif', '_images/1dn_News___Events______Mouseover.gif');
imageFiles_1dn_1['4'] = new Array ('_images/1dn_Contributions_Participation___.gif', '_images/1dn_Contributions_Participation___Mouseover.gif');
imageFiles_1dn_1['5'] = new Array ('_images/1dn_Contact_Organization.gif', '_images/1dn_Contact_OrganizationMouseover.gif');

function image_on_1dn_1 (position) {
   var doc = eval("document.image1dn_1" + position);
   doc.src = imageFiles_1dn_1[position][1];
}

function image_off_1dn_1 (position) {
   var doc = eval("document.image1dn_1" + position);
   doc.src = imageFiles_1dn_1[position][0];
}