var imageFiles_8_31 = new Array();
imageFiles_8_31['0'] = new Array ('_images/8_Home.gif', '_images/8_HomeMouseover.gif');
imageFiles_8_31['1'] = new Array ('_images/8_About_Us.gif', '_images/8_About_UsMouseover.gif');
imageFiles_8_31['2'] = new Array ('_images/8_Shades.gif', '_images/8_ShadesMouseover.gif');
imageFiles_8_31['3'] = new Array ('_images/8_Erosions.gif', '_images/8_ErosionsMouseover.gif');
imageFiles_8_31['4'] = new Array ('_images/8_ErosionsII.gif', '_images/8_ErosionsIIMouseover.gif');
imageFiles_8_31['5'] = new Array ('_images/8_Geotextiles.gif', '_images/8_GeotextilesMouseover.gif');
imageFiles_8_31['6'] = new Array ('_images/8_Waterproofing.gif', '_images/8_WaterproofingMouseover.gif');
imageFiles_8_31['7'] = new Array ('_images/8_Safety_Fences.gif', '_images/8_Safety_FencesMouseover.gif');
imageFiles_8_31['8'] = new Array ('_images/8_Landscape_Supplies.gif', '_images/8_Landscape_SuppliesMouseover.gif');
imageFiles_8_31['9'] = new Array ('_images/8_Miscellaneous.gif', '_images/8_MiscellaneousMouseover.gif');
imageFiles_8_31['10'] = new Array ('_images/8_Contact_Us.gif', '_images/8_Contact_UsMouseover.gif');

function image_on_8_31 (position) {
   var doc = eval("document.image8_31" + position);
   doc.src = imageFiles_8_31[position][1];
}

function image_off_8_31 (position) {
   var doc = eval("document.image8_31" + position);
   doc.src = imageFiles_8_31[position][0];
}