var imageFiles_f_31 = new Array();
imageFiles_f_31['0'] = new Array ('_images/f_HOME.gif', '_images/f_HOMEMouseover.gif');
imageFiles_f_31['1'] = new Array ('_images/f_BENEFITS.gif', '_images/f_BENEFITSMouseover.gif');
imageFiles_f_31['2'] = new Array ('_images/f_APPLICATIONS.gif', '_images/f_APPLICATIONSMouseover.gif');
imageFiles_f_31['3'] = new Array ('_images/f_SERVICES.gif', '_images/f_SERVICESMouseover.gif');
imageFiles_f_31['4'] = new Array ('_images/f_CLEANING_COMPARISONS.gif', '_images/f_CLEANING_COMPARISONSMouseover.gif');
imageFiles_f_31['5'] = new Array ('_images/f_FAQ_S.gif', '_images/f_FAQ_SMouseover.gif');
imageFiles_f_31['6'] = new Array ('_images/f_CONTACT.gif', '_images/f_CONTACTMouseover.gif');
imageFiles_f_31['7'] = new Array ('_images/f_BEFORE_AND_AFTER.gif', '_images/f_BEFORE_AND_AFTERMouseover.gif');
imageFiles_f_31['8'] = new Array ('_images/f_EQUIPMENT_RENTAL.gif', '_images/f_EQUIPMENT_RENTALMouseover.gif');
imageFiles_f_31['9'] = new Array ('_images/f_ENVIRONMENTAL_FACTS.gif', '_images/f_ENVIRONMENTAL_FACTSMouseover.gif');

function image_on_f_31 (position) {
   var doc = eval("document.imagef_31" + position);
   doc.src = imageFiles_f_31[position][1];
}

function image_off_f_31 (position) {
   var doc = eval("document.imagef_31" + position);
   doc.src = imageFiles_f_31[position][0];
}