//utf-8


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

function swapImgRestore() {
  var i,x,a=document._sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function findObj(n, d) {
  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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() {
  var i,j=0,x,a=swapImage.arguments; document._sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document._sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function linkage() {
	var path = location.pathname;
	if(-1 == path.indexOf("/en/")) {
		var dir = "/_common/img/";
	} else {
		var dir = "/en/_common/img/";
	}
	switch(true) {
		case (path == "/" || path == "/en/"):
			document.images["gnavi_01"].src = dir + "gnaviOn_01.gif";
			break;
		case (-1 != path.indexOf("/company/")):
			document.images["gnavi_02"].src = dir + "gnaviOn_02.gif";
			break;
		case (-1 != path.indexOf("/hotel/")):
			document.images["gnavi_03"].src = dir + "gnaviOn_03.gif";
			break;
		case (-1 != path.indexOf("/reservation/")):
			document.images["gnavi_04"].src = dir + "gnaviOn_04.gif";
			break;
		case (-1 != path.indexOf("/service/")):
			document.images["gnavi_05"].src = dir + "gnaviOn_05.gif";
			break;
		case (-1 != path.indexOf("/afterconvention/")):
			document.images["gnavi_06"].src = dir + "gnaviOn_06.gif";
			break;
	}
}

window.onload = function() {
	if(-1 == location.pathname.indexOf("/en/")) {
		preloadImages('/_common/img/gnaviOn_01.gif','/_common/img/gnaviOn_02.gif','/_common/img/gnaviOn_03.gif','/_common/img/gnaviOn_04.gif','/_common/img/gnaviOn_05.gif','/_common/img/gnaviOn_06.gif');
	} else {
		preloadImages('/en/_common/img/gnaviOn_01.gif','/en/_common/img/gnaviOn_02.gif','/en/_common/img/gnaviOn_03.gif','/en/_common/img/gnaviOn_04.gif','/en/_common/img/gnaviOn_05.gif');
	}
	
	linkage();
}