function changeDisplay(id) {
  var elem = document.getElementById(id);
  elem.style.display = elem.style.display == "none" ? "block":"none";
}

function changeTopics(n) {
  var max_tid2 = document.frmstory.elements['tid2[]'].length;
  var elem = document.frmstory.tid.options[n].value;

  for (i=0; i < max_tid2; i++) {
  		document.frmstory.elements['tid2[]'][i].checked = false;
  		document.frmstory.elements['tid2[]'][i].disabled = false;
  }

	if ( (elem != "kaitori") && (elem.substring(0,7) == "kaitori") ) {
  		for (i=0; i < max_tid2; i++) {
    			var elem2 = document.frmstory.elements['tid2[]'][i].value;
    			if(elem2 == elem) {
							document.frmstory.elements['tid2[]'][i].checked = true;
        			document.frmstory.elements['tid2[]'][i].disabled = true;
    			}
  		}
  		var elem = document.getElementById('open_tid');
  		elem.style.display = "block";
	} else {
  		for (i=0; i < max_tid2; i++) {
					document.frmstory.elements['tid2[]'][i].checked = false;
      		document.frmstory.elements['tid2[]'][i].disabled = false;
  		}
  		var elem = document.getElementById('open_tid');
  		elem.style.display = "none";
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}