var imageFiles_2y_31 = new Array();
imageFiles_2y_31['0'] = new Array ('_images/2y_Golf_Courses.gif', '_images/2y_Golf_CoursesMouseover.gif');
imageFiles_2y_31['1'] = new Array ('_images/2y_Municipalities.gif', '_images/2y_MunicipalitiesMouseover.gif');
imageFiles_2y_31['2'] = new Array ('_images/2y_Home_Owners.gif', '_images/2y_Home_OwnersMouseover.gif');
imageFiles_2y_31['3'] = new Array ('_images/2y_Apartments.gif', '_images/2y_ApartmentsMouseover.gif');
imageFiles_2y_31['4'] = new Array ('_images/2y_Utilities.gif', '_images/2y_UtilitiesMouseover.gif');
imageFiles_2y_31['5'] = new Array ('_images/2y_Developers.gif', '_images/2y_DevelopersMouseover.gif');
imageFiles_2y_31['6'] = new Array ('_images/2y_Other_Walls.gif', '_images/2y_Other_WallsMouseover.gif');

function image_on_2y_31 (position) {
   var doc = eval("document.image2y_31" + position);
   doc.src = imageFiles_2y_31[position][1];
}

function image_off_2y_31 (position) {
   var doc = eval("document.image2y_31" + position);
   doc.src = imageFiles_2y_31[position][0];
}