function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'on') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, 'on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
	
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('input');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'on' && aImages[i].type == 'image') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, 'on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
	
}
try{
　window.addEventListener("load",initRollovers,false);
　 }catch(e){
  window.attachEvent("onload",initRollovers);
}


//
function imgSwap(i) {
	isrc = i.src;
	document.getElementById("LImage").src=isrc;
}

function msgIO(e) {
	document.getElementById("box_01").style.display = "none";
	document.getElementById("box_02").style.display = "none";
	document.getElementById("box_03").style.display = "none";
	document.getElementById("box_04").style.display = "none";
	e = ("box_"+e);
	document.getElementById(e).style.display = "block";
	
}

function boxIO(e) {
	$("#textbox div").css("display", "none");
	e = ("box_"+e);
	document.getElementById(e).style.display = "block";
}