var imageFiles_ir_1 = new Array();
imageFiles_ir_1['0'] = new Array ('_images/ir_CIRCLE_J.gif', '_images/ir_CIRCLE_JMouseover.gif');

function image_on_ir_1 (position) {
   var doc = eval("document.imageir_1" + position);
   doc.src = imageFiles_ir_1[position][1];
}

function image_off_ir_1 (position) {
   var doc = eval("document.imageir_1" + position);
   doc.src = imageFiles_ir_1[position][0];
}