/* ============================== */
/* make 2003.03.23 */
/* ブラウザー判別もどき */
/* ============================== */

/* ============================== */
/* make 2003.03.23 */
/* 画像切り替え（FW） */
/* ============================== */

			function MM_findObj(n, d) { //v3.0
			  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); 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];}}
			}


/* ============================== */
/* make 2003.03.23 */
/* ブラウザー判別もどき */
/* ============================== */
/* NN4と、IE4（windows）以外に振り分けます。 */

	var major = parseInt(navigator.appVersion);
	var minor = parseFloat(navigator.appVersion);
	var agent = navigator.userAgent.toLowerCase();
	var ver = navigator.appVersion;

	var win = (agent.indexOf('win') != false);
	var mac = (agent.indexOf('mac') != false);

	var ie5   = ( agent.indexOf('msie 5') != -1);
	var ie6   = ((agent.indexOf('msie') != -1) &&  (major == 4) && (agent.indexOf('msie 6') != -1));

	var ie = (agent.indexOf('msie') != -1);

	var ns4 = ((agent.indexOf('mozilla') != -1) && (agent.indexOf('compatible') == -1) && (major < 5));
	var ie4 = (ie && win && (major == 4) && (ie5 == false) && (ie6 == false));
	var agent_etc = ((ns4  ==false) && (ie4 ==false) || ie6 || ie5);

/* ============================== */
/* make 2003.03.23 */
/* レイヤー表示・非表示切り替え */
/* ============================== */

/* ------------------------------------ */
/* 画面幅を特定する */
/* ------------------------------------ */
function displaywidth()
{
	var table_width = 727;
	var nWidth;
	//IE系
	if (document.all)
	{
		nWidth = document.body.clientWidth;
	}
	//NN系
	else
	{
		nWidth = window.innerWidth;
	}

	menu_point = (nWidth - table_width) /2 ;

}

/* ------------------------------------ */
/* メニューを隠す */
/* ------------------------------------ */



function menuhidden(layName){

	if(ns4 == true)
	{
	document.layers[layName].visibility = "hide";
	}
	if(agent_etc == true)
	{
	document.getElementById(layName).style.visibility="hidden";
	}
	if(ie4 == true)
	{
	document.all(layName).style.visibility="hidden";
	}

}

/* ------------------------------------ */
/* サブメニューを隠す */
/* ------------------------------------ */
function submenuhidden(layName,sublayName)
{
	if(ns4 == true)
	{
	document.layers[layName].visibility = "hide";
	document.layers[sublayName].visibility = "hide";
	}
	if(agent_etc == true)
	{
	document.getElementById(layName).style.visibility="hidden";
	document.getElementById(sublayName).style.visibility="hidden";

	}
	if(ie4 == true)
	{
	document.all(layName).style.visibility="hidden";
	document.all(sublayName).style.visibility="hidden";
	}
}



/* ------------------------------------ */
/* メニュー表示する */
/* ------------------------------------ */

function menu(layName)
{
	if(agent_etc == true)
	{
		document.getElementById(layName).style.visibility="visible";
	}
	if(ns4 == true)
	{
		displaywidth();
		document.layers[layName].left = menu_point;
		document.layers[layName].visibility = "show";
	}
	if(ie4 == true)
	{
		document.all(layName).style.visibility="visible";
	}


}

/* ------------------------------------ */
/* サブメニューを表示する */
/* ------------------------------------ */
function submenu(layName,sublayName)
{
	if(agent_etc == true)
	{
		document.getElementById(layName).style.visibility="visible";
		document.getElementById(sublayName).style.visibility="visible";

	}
	if(ns4 == true)
	{
		document.layers[layName].visibility = "show";
		document.layers[sublayName].visibility = "show";

	}
	if(ie4 == true)
	{
		document.all(layName).style.visibility="visible";
		document.all(sublayName).style.visibility="visible";

	}
}