var imageFiles_ri_1 = new Array();
imageFiles_ri_1['0'] = new Array ('_images/ri__.gif', '_images/ri__Mouseover.gif');

function image_on_ri_1 (position) {
   var doc = eval("document.imageri_1" + position);
   doc.src = imageFiles_ri_1[position][1];
}

function image_off_ri_1 (position) {
   var doc = eval("document.imageri_1" + position);
   doc.src = imageFiles_ri_1[position][0];
}