var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
 browserType= "gecko"
}

var diplay_pos;

function loadh() {
  
  diplay_pos = getCookie('diplay_pos');
  alert(diplay_pos);
  if(diplay_pos == ""){
     setCookie('diplay_pos','v_boxshow',1);	
     diplay_pos = "v_boxshow";
  }
  
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("listdisplay")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("listdisplay")');
  else
     document.poppedLayer =   
        eval('document.layers["listdisplay"]');
  
  if(diplay_pos == 'v_listshow'){
     document.poppedLayer.style.display = "inline";
     //document.getElementById('showcontrol').innerHTML = '［<a href="javascript:void()" onClick="boxshow()"> 画像表示</a> ｜画像非表示  ］';
  }else{
     document.poppedLayer.style.display = "none"; 
  }
  
  
  
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("boxdisplay")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("boxdisplay")');
  else
     document.poppedLayer = 
         eval('document.layers["boxdisplay"]');
  
  if(diplay_pos == 'v_boxshow'){
     document.poppedLayer.style.display = "inline";
     //document.getElementById('showcontrol').innerHTML = '［画像表示 ｜ <a href="javascript:void()" onClick="listshow()">画像非表示</a>  ］';
  }else{
     document.poppedLayer.style.display = "none";
  }
  
  
}



function boxshow() {
  setCookie('diplay_pos','v_boxshow',1);
  
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("listdisplay")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("listdisplay")');
  else
     document.poppedLayer =   
        eval('document.layers["listdisplay"]');
  document.poppedLayer.style.display = "none";
  
  
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("boxdisplay")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("boxdisplay")');
  else
     document.poppedLayer = 
         eval('document.layers["boxdisplay"]');
  document.poppedLayer.style.display = "inline";
  
 // document.getElementById('showcontrol').innerHTML = '［画像表示 ｜ <a href="javascript:void()" onClick="listshow()">画像非表示</a>  ］';
  
}

function listshow() {
  setCookie('diplay_pos','v_listshow',1);
  
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("listdisplay")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("listdisplay")');
  else
     document.poppedLayer = 
         eval('document.layers["listdisplay"]');
  document.poppedLayer.style.display = "inline";
  
  
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("boxdisplay")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("boxdisplay")');
  else
     document.poppedLayer =   
        eval('document.layers["boxdisplay"]');
  document.poppedLayer.style.display = "none";
  
//  document.getElementById('showcontrol').innerHTML = '［<a href="javascript:void()" onClick="boxshow()"> 画像表示</a> ｜画像非表示  ］';
  
}


function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
   if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";

}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}