function chimage(targetid,imagename){
		document.getElementById(targetid).src = imagename;
}

var brwCheck = false;
if ((document.all && document.selection) ||
    (navigator.product && navigator.product == "Gecko") ||
    (window.opera && document.createEvent)) {
  brwCheck = true;
  document.write("<style type='text/css'> .none { display:none; margin-top: 15px; border: solid #FF6666; border-top: 2px; border-bottom: 2px; border-left: 2px; border-right: 2px;} <\/style>");
} 

function clickMenu(idName, spanObj) {
  if (brwCheck) {
    with (document.all ? document.all(idName).style : document.getElementById(idName).style) {
      if (display == "block") {
        display = "none";
        spanObj.innerHTML = "▼詳細を見る";
      } else {
        display = "block";
        spanObj.innerHTML = "▲詳細を隠す";
      }
    }
  }
}