var imageFiles_b_4 = new Array();
imageFiles_b_4['0'] = new Array ('_images/b_History.gif', '_images/b_HistoryMouseover.gif');
imageFiles_b_4['1'] = new Array ('_images/b_Referral_Program.gif', '_images/b_Referral_ProgramMouseover.gif');
imageFiles_b_4['2'] = new Array ('_images/b_FAQ_S.gif', '_images/b_FAQ_SMouseover.gif');
imageFiles_b_4['3'] = new Array ('_images/b_Commercial_Cleaning.gif', '_images/b_Commercial_CleaningMouseover.gif');
imageFiles_b_4['4'] = new Array ('_images/b_Contact_Us.gif', '_images/b_Contact_UsMouseover.gif');
imageFiles_b_4['5'] = new Array ('_images/b_Comment_Card.gif', '_images/b_Comment_CardMouseover.gif');

function image_on_b_4 (position) {
   var doc = eval("document.imageb_4" + position);
   doc.src = imageFiles_b_4[position][1];
}

function image_off_b_4 (position) {
   var doc = eval("document.imageb_4" + position);
   doc.src = imageFiles_b_4[position][0];
}