var imageFiles_j_51 = new Array();
imageFiles_j_51['0'] = new Array ('_images/j_Home.gif', '_images/j_HomeMouseover.gif');
imageFiles_j_51['1'] = new Array ('_images/j_Planning.gif', '_images/j_PlanningMouseover.gif');
imageFiles_j_51['2'] = new Array ('_images/j_Contact.gif', '_images/j_ContactMouseover.gif');

function image_on_j_51 (position) {
   var doc = eval("document.imagej_51" + position);
   doc.src = imageFiles_j_51[position][1];
}

function image_off_j_51 (position) {
   var doc = eval("document.imagej_51" + position);
   doc.src = imageFiles_j_51[position][0];
}