var imageFiles_em_139 = new Array();
imageFiles_em_139['0'] = new Array ('_images/em_Home.gif', '_images/em_HomeMouseover.gif');
imageFiles_em_139['1'] = new Array ('_images/em_Contact_Us.gif', '_images/em_Contact_UsMouseover.gif');
imageFiles_em_139['2'] = new Array ('_images/em_FAQ.gif', '_images/em_FAQMouseover.gif');

function image_on_em_139 (position) {
   var doc = eval("document.imageem_139" + position);
   doc.src = imageFiles_em_139[position][1];
}

function image_off_em_139 (position) {
   var doc = eval("document.imageem_139" + position);
   doc.src = imageFiles_em_139[position][0];
}