var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE  = getBrouwserName() == 'Explorer';
var NN  = getBrouwserName() == 'Netscape';
var Moz = navigator.userAgent.indexOf("Gecko") != -1;
var VER = parseInt(navigator.appVersion);
var Vmajor = parseInt(navigator.appVersion);	// ex. 3
var Vminor = parseFloat(navigator.appVersion);	// ex. 3.01
var MacIE5 = ((Mac && navigator.appVersion.indexOf('MSIE 5',0) != -1) || (Mac && IE && VER > 4));
var MacIE4 = ((Mac && navigator.appVersion.indexOf('MSIE 4.',0) != -1));
var MacIE3 = ((Mac && navigator.appVersion.indexOf('MSIE 3.',0) != -1));
var MIE4 = (Mac && IE && VER == 4);
var WinIE = (Win && IE);

var NN40 = (NN && navigator.appVersion.indexOf('4.0',0) != -1);

function getBrouwserName() {
var ap = navigator.appName;
var ua = navigator.userAgent;
if (ap.indexOf("Microsoft Internet Explorer",0) != -1) return "Explorer";
if (ap.indexOf("Netscape",0) != -1) return "Netscape";
return "";
}


/* change image */


function cngImg4lyrLv1 (lyrname,imgname,filename) {
	if (document.all && document.images) {
		document.all(lyrname).document.images[imgname].src = filename;
	} else if (document.getElementsByName) {
		document.getElementsByTagName("IMG").namedItem(imgname).src = filename;
	} else if (document.layers && document.images) {
		document.layers[lyrname].document.images[imgname].src = filename;
	} 
}

function swapImage(target,src) {
	document.images[target].src = src;
}

var mnPath = '/image/top200110/';
var mnObj = new Array(51);
var mnStayId = null;
for (i=0; i<mnObj.length; i++) {
	mnObj[i] = new Object();
	mnObj[i].up   = new Image();
	mnObj[i].over = new Image();
	mnObj[i].down = new Image();
	mnObj[i].stay = new Image();
}

mnObj[0].up.src = mnPath + 'hoge.gif';
mnObj[0].over.src = mnPath + 'hogeo.gif';


function mnObjInit(id) {
 mnStayId = id;
 setMnObj(id,'stay');
}

function setMnObj(id,status) {
	var src = (status == "stay" || mnStayId == id) ? mnObj[id].stay.src : (status == "over") ? mnObj[id].over.src : (status == "down") ? mnObj[id].down.src : mnObj[id].up.src;
	var target = 'mn' + id;
	swapImage(target,src);
}


/* open window */


function openWindow(url,winname,options) {
	var newWin = window.open(url,winname,options);
	newWin.focus();
}


/* form */

/*
doc='document.all';
sty='.style';
arrayElementStatus=new Array();
arrayElementStatus[0]=new Array("inset","#DDDDDD");
arrayElementStatus[1]=new Array("solid","#FCFCFC");

function setInputElementStatus(varCurrentElement,varStatus) {
if(WinIE || MacIE5) {
		varSelectedFormElementName=varCurrentElement.name;
		eval(doc + '[varSelectedFormElementName]' + sty + '.borderStyle ="'+ arrayElementStatus[varStatus][0] +'"');
		eval(doc + '[varSelectedFormElementName]' + sty + '.backgroundColor="'+ arrayElementStatus[varStatus][1] +'"');
	}
}

function selectInputText(obj){
	obj.focus();
	obj.select();
}
*/

/* window.scroll */

function getScrollLeft() { // 020225
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollLeft;
 } else if (window.pageXOffset) {
  return window.pageXOffset;
 } else {
  return 0;
 }
}

function getScrollTop() { // 020225
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollTop;
 } else if (window.pageYOffset) {
  return window.pageYOffset;
 } else {
  return 0;
 }
}

function getScrollWidth() { // 010317
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollWidth;
 } else if (window.innerWidth) {
  return window.innerWidth;
 }
 return 0;
}

function getScrollHeight() { // 010317
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollHeight;
 } else if (window.innerHeight) {
  return window.innerHeight;
 }
 return 0;
}

loaded = false;
MAC = navigator.userAgent.indexOf('Mac') != -1;
NN = navigator.appName.indexOf('Netscape') != -1;
IE = navigator.appName.indexOf('Microsoft') != -1;
IE4 = IE && navigator.appVersion.substring(4).indexOf('4.0') > -1;
VER = navigator.appVersion.charAt(0);
IC = NN && VER >= 3 || IE && VER >= 4;