function CT_dispInfo(id) {
  if(document.getElementById){
    if(document.getElementById(id).style.display == "block"){
      document.getElementById(id).style.display = "none";
    }else{
      document.getElementById(id).style.display = "block";
    }
 	}
}

function CT_dispMenu(id) {
  if(document.getElementById){
    if(document.getElementById(id).style.display == "block"){
      document.getElementById(id).style.display = "none";
    }else{
      document.getElementById(id).style.display = "block";
    }
 	}
}

function CT_treeMenu(id) {
  if(document.getElementById){
    if(document.getElementById(id).style.display == "block"){
      document.getElementById(id).style.display = "none";
    }else{
      document.getElementById(id).style.display = "block";
    }
 	}
}

/*function CT_changeGaiyouBtn(id) {
  if(document.getElementById){
    if(document.getElementById(id).style.display == "block"){
      document.images[id].src="../img/gai_btn.gif";
      alert(id + document.images[id].src );
    }else{
      document.images[id].src="../img/gai_btn_dwn.gif";
      alert(id + document.images[id].src);
    }
 	}
}*/

function CT_dispLogin(id) {
  if(document.getElementById){
    if(document.getElementById(id).style.display == "block"){
      document.getElementById(id).style.display = "none";
    }else{
      document.getElementById(id).style.display = "block";
    }
 	}
}