function hide(type, src){ obj = document.getElementById(src); if(type == "off"){ obj.style.display = "none"; } else if(type == "on"){ obj.style.display = ""; } return false; } function hide_on(id){ var i=1; var obj = document.getElementById(i); //alert(obj); while (obj != undefined) { hide('off', i); if (id == i) hide('on', id); i++; obj = document.getElementById(i); } //alert(i); }