function hidedisplay(idvalue) { document.getElementById(idvalue).style.display = 'none'; } function showdisplay(idvalue) { document.getElementById(idvalue).style.display = 'block'; } function actionhide(id) { hidedisplay('minus' + id); hidedisplay('cell' + id); showdisplay('plus' + id); } function actionshow(id) { hidedisplay('plus' + id); showdisplay('minus' + id); showdisplay('cell' + id); } document.write('