var imageFiles_57_1 = new Array();
imageFiles_57_1['0'] = new Array ('_images/57_ABOUT_US.gif', '_images/57_ABOUT_USMouseover.gif');
imageFiles_57_1['1'] = new Array ('_images/57_FAQ.gif', '_images/57_FAQMouseover.gif');

function image_on_57_1 (position) {
   var doc = eval("document.image57_1" + position);
   doc.src = imageFiles_57_1[position][1];
}

function image_off_57_1 (position) {
   var doc = eval("document.image57_1" + position);
   doc.src = imageFiles_57_1[position][0];
}