var imageFiles_3a_21 = new Array();
imageFiles_3a_21['0'] = new Array ('_images/3a_Home.gif', '_images/3a_HomeMouseover.gif');
imageFiles_3a_21['1'] = new Array ('_images/3a_About_Us.gif', '_images/3a_About_UsMouseover.gif');
imageFiles_3a_21['2'] = new Array ('_images/3a_Contact_Us.gif', '_images/3a_Contact_UsMouseover.gif');
imageFiles_3a_21['3'] = new Array ('_images/3a_FAQ.gif', '_images/3a_FAQMouseover.gif');
imageFiles_3a_21['4'] = new Array ('_images/3a_Customer_Service.gif', '_images/3a_Customer_ServiceMouseover.gif');

function image_on_3a_21 (position) {
   var doc = eval("document.image3a_21" + position);
   doc.src = imageFiles_3a_21[position][1];
}

function image_off_3a_21 (position) {
   var doc = eval("document.image3a_21" + position);
   doc.src = imageFiles_3a_21[position][0];
}