//ブラウザ・OSによるCSSの振り分け
function ReadCss(num){
var dir;
if(num==0){
	dir = "";
}else if(num==1){
	dir = "../";
}else if(num==2){
	dir = "../../";
}else if(num==3){
	dir = "../../../";
}
	
if (navigator.userAgent.indexOf("Win") >= 0) {
	if (navigator.appName.indexOf("Microsoft") >= 0) {
		document.write('<LINK rel="stylesheet" type="text/css" href="' + dir + 'common/win-ie.css">');
	} else {
		if (navigator.appVersion.charAt(0) >= 5) {
			document.write('<LINK rel="stylesheet" type="text/css" href="' + dir + 'common/win-nn6.css">');
		} else {
			document.write('<LINK rel="stylesheet" type="text/css" href="' + dir + 'common/win-nn.css">');
		}
	}
	
} else {
	if (navigator.appName.indexOf("Microsoft") >= 0) {
		document.write('<LINK rel="stylesheet" type="text/css" href="' + dir + 'common/mac-ie.css">');
	} else {
		if (navigator.appVersion.charAt(0) >= 5) {
			document.write('<LINK rel="stylesheet" type="text/css" href="' + dir + 'common/mac-nn6.css">');
		} else {
			document.write('<LINK rel="stylesheet" type="text/css" href="' + dir + 'common/mac-nn.css">');
		}
	}	
}
}
//ウィンドウオープン
function openWin(theURL,winName,features) {
  window.open(theURL,winName,features);
}

//イメージのプリロード
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];}}
}

//ロールオーバーイメージ
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];}
}