var imageFiles_j_40 = new Array();
imageFiles_j_40['0'] = new Array ('_images/j_Home.gif', '_images/j_HomeMouseover.gif');
imageFiles_j_40['1'] = new Array ('_images/j_About_Us.gif', '_images/j_About_UsMouseover.gif');
imageFiles_j_40['2'] = new Array ('_images/j_Contact_Us.gif', '_images/j_Contact_UsMouseover.gif');

function image_on_j_40 (position) {
   var doc = eval("document.imagej_40" + position);
   doc.src = imageFiles_j_40[position][1];
}

function image_off_j_40 (position) {
   var doc = eval("document.imagej_40" + position);
   doc.src = imageFiles_j_40[position][0];
}