var hiddenTimer = null;
var lastDiv;
function hideDiv(id) {
	lastDiv = id;
	hiddenTimer = setTimeout("displayDiv('none','"+id+"')",1000);
}
function showDiv(id) {
	if ( id != lastDiv ) { displayDiv('none',lastDiv); }
	if ( hiddenTimer != null ) { clearTimeout(hiddenTimer); }
	displayDiv('block',id);
	lastDiv = id;
}
function displayDiv(val,id) {
	obj = null;
	if (document.all) {obj = document.all(id);}
	else if (document.getElementById) {obj = document.getElementById(id); }
	if ( obj!= null ) { obj.style.display=val; }
}
function getObj(id) {
	obj = null;
	if (document.all) {obj = document.all(id);}
	else if (document.getElementById) {obj = document.getElementById(id); }
	return obj;
}
function changeImg(id,path){
	obj=null;
	if(!obj && document.all){obj=document.all(id);}
	else if(!obj && document.getElementById){obj=document.getElementById(id);}
	else if(!obj && document.images){obj=document.images(id);}
	if (obj){obj.src=path;}
}
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function openSubwin(ref) {
	winObj = window.open(ref,'subwin','toolbar=0,scrollbars=0,location=0,statusbars=0,menubars=0,resizable=1,width=480,height=310,top=0,left=0');
	winObj.focus();
}
function preload(){
		new Image().src="images/link_btn_on.gif";
		new Image().src="images/left_ul_btn_on.gif";
}

function button(buttongazo){
		document.getElementById('link_btn').setAttribute('src',buttongazo);
}
var imgObj = new Array()
imgObj[0] = bgimage1.src //参照元のIMGタグのID名使用のこと
imgObj[1] = bgimage2.src //参照元のIMGタグのID名使用のこと
imgObj[2] = bgimage3.src //参照元のIMGタグのID名使用のこと
table1.style.backgroundImage = 'url('+imgObj[0].src+')'

function pdmenu(){
		document.getElementById('oyaku').style.display="block";
		document.getElementById('cate').style.display="none";
		document.backgroundImage.src="images/tab_01.gif";
}

function pdmenu2(){
		document.getElementById('oyaku').style.display="none";
		document.getElementById('cate').style.display="block";
		document.backgroundImage.src="images/tab_02.gif";
}