var imageFiles_rb_1 = new Array();
imageFiles_rb_1['0'] = new Array ('_images/rb_.gif', '_images/rb_Mouseover.gif');

function image_on_rb_1 (position) {
   var doc = eval("document.imagerb_1" + position);
   doc.src = imageFiles_rb_1[position][1];
}

function image_off_rb_1 (position) {
   var doc = eval("document.imagerb_1" + position);
   doc.src = imageFiles_rb_1[position][0];
}