// ____________________________swapImage
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}



// ____________________________openNewWin

win= window;
function openwin(url,winname){
if(win == window || win.closed){
win=window.open(url,winname,"width=532,height=600,status=1,scrollbars=1,resizable=1,");
}
else {
window.win.focus();
win.location.replace(url);
}
}



// ____________________________preload

function preload(){
	MM_preloadImages(
		'images/visu_top01.jpg',
		'images/visu_top02.jpg',
		'images/visu_top03.jpg',
		'images/visu_top04.jpg',
		'images/visu_top05.jpg',
		'images/visu_top06.jpg',
		
		'images/header_03_2.gif',
		'images/header_04_2.gif',
		'images/header_05_2.gif',
		'images/header_06_2.gif',
		'images/header_07_2.gif',
		'images/header_08_2.gif',
		'images/header_09_2.gif',
		'images/header_10_2.gif',
		'images/header_11_2.gif',
		'images/sub_menu01_01_2.gif',
		'images/sub_menu01_02_2.gif',
		'images/sub_menu01_03_2.gif',
		'images/top_mainbg.gif',
		'images/top_newsbg.jpg',
		'images/headbg.gif',
		'images/foot_bar.gif',
		
		'../images/header_03_2.gif',
		'../images/header_04_2.gif',
		'../images/header_05_2.gif',
		'../images/header_06_2.gif',
		'../images/header_07_2.gif',
		'../images/header_08_2.gif',
		'../images/header_09_2.gif',
		'../images/header_10_2.gif',
		'../images/header_11_2.gif',
		'../images/sub_menu01_01_2.gif',
		'../images/sub_menu01_02_2.gif',
		'../images/sub_menu01_03_2.gif',
		'../images/top_mainbg.gif',
		'../images/top_newsbg.jpg',
		'../images/headbg.gif',
		'../images/foot_bar.gif'
		
		
		)
}


function frame_news(){
	if(frameNews.document.body){
	f=frameNews.document.body.scrollHeight;
	if(f)document.getElementById("frame_set").height=f;
	}
}


//ロールオーバー

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 == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_2'+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 
('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;

//スタッフ紹介

function openwin1() {
window.open("http://www.jutakukouei.co.jp/staff/index.html", "", "scrollbars=no,width=900,height=650");
}