var imageFiles_ta_1 = new Array();
imageFiles_ta_1['0'] = new Array ('_images/ta_Hope_Center_Home.gif', '_images/ta_Hope_Center_HomeMouseover.gif');
imageFiles_ta_1['1'] = new Array ('_images/ta_Contact_Us.gif', '_images/ta_Contact_UsMouseover.gif');

function image_on_ta_1 (position) {
   var doc = eval("document.imageta_1" + position);
   doc.src = imageFiles_ta_1[position][1];
}

function image_off_ta_1 (position) {
   var doc = eval("document.imageta_1" + position);
   doc.src = imageFiles_ta_1[position][0];
}