///////////////////////////////////////////////////////////////////////////////////////////
//  ロールオーバースクリプト
function smartRollover() {  
if(document.getElementsByTagName) {  
var images = document.getElementsByTagName("img");  
for(var i=0; i < images.length; i++) {  
 if(images[i].getAttribute("src").match("_off."))  
{  
images[i].onmouseover = function() {  
this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));  
}  
images[i].onmouseout = function() {  
this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));  
}  
}  
}  
}  
}  
if(window.addEventListener) {  
window.addEventListener("load", smartRollover, false);  
}  
else if(window.attachEvent) {  
window.attachEvent("onload", smartRollover);  
}  
///////////////////////////////////////////////////////////////////////////////////////////
 
 
 
/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Konstantin Jagello | http://javascript-array.com/ */

var TimeOut         = 300;
var currentLayer    = null;
var currentitem     = null;
var currentLayerNum = 0;
var noClose         = 0;
var closeTimer      = null;

function mopen(n) {
  var l  = document.getElementById("navi"+n);
  var mm = document.getElementById("mnavi"+n);
	
  if(l) {
    mcancelclosetime();
    l.style.visibility='visible';
    if(currentLayer && (currentLayerNum != n))
      currentLayer.style.visibility='hidden';
    currentLayer = l;
    currentitem = mm;
    currentLayerNum = n;			
  } else if(currentLayer) {
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentitem = null;
    currentLayer = null;
 	}
}

function mclosetime() {
  closeTimer = window.setTimeout(mclose, TimeOut);
}

function mcancelclosetime() {
  if(closeTimer) {
    window.clearTimeout(closeTimer);
    closeTimer = null;
  }
}

function mclose() {
  if(currentLayer && noClose!=1)   {
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentLayer = null;
    currentitem = null;
  } else {
    noClose = 0;
  }
  currentLayer = null;
  currentitem = null;
}

document.onclick = mclose;