var imageFiles_rt_1 = new Array();
imageFiles_rt_1['0'] = new Array ('_images/rt__.gif', '_images/rt__Mouseover.gif');

function image_on_rt_1 (position) {
   var doc = eval("document.imagert_1" + position);
   doc.src = imageFiles_rt_1[position][1];
}

function image_off_rt_1 (position) {
   var doc = eval("document.imagert_1" + position);
   doc.src = imageFiles_rt_1[position][0];
}