var isWin9X = (navigator.appVersion.toLowerCase().indexOf('windows 98')+1);
var isIE = (navigator.appName.toLowerCase().indexOf('internet explorer')+1?1:0);
var isOpera = (navigator.userAgent.toLowerCase().indexOf('opera')+1?1:0);
if (isOpera) isIE = false;
var isSafari = (navigator.appVersion.toLowerCase().indexOf('safari')+1?1:0);
var MousePointX = 0;
var MousePointY = 0;


function getScreenSize() {// ブラウザサイズ取得
	var obj = new Object();
	if (!isSafari && !isOpera) {
		obj.x = document.documentElement.clientWidth || document.body.clientWidth || document.body.scrollWidth;
		obj.y = document.documentElement.clientHeight || document.body.clientHeight || document.body.scrollHeight;
	} else {
		obj.x = window.innerWidth;
		obj.y = window.innerHeight;
	}
	obj.mx = parseInt((obj.x)/2);
	obj.my = parseInt((obj.y)/2);
	return obj;
}
function getScrollPosition() {// スクロール位置取得
	var obj = new Object();
	obj.x = document.documentElement.scrollLeft || document.body.scrollLeft;
	obj.y = document.documentElement.scrollTop || document.body.scrollTop;
	obj.maxx = document.documentElement.scrollWidth || document.body.scrollWidth;
	obj.maxy = document.documentElement.scrollHeight || document.body.scrollHeight;
	return obj;
}
function setPosition() {// マウス座標取得 onLoadで起動する
	window.document.onmousemove = function(e) {
		MousePointX = getMousePosition(e).x;
		MousePointY = getMousePosition(e).y;
	}
}
function getMousePosition(e) {// マウス座標取得
	var obj = new Object();
	if(e) {
		obj.x = e.pageX;
		obj.y = e.pageY;
	} else {
		obj.x = event.x + document.body.scrollLeft;
		obj.y = event.y + document.body.scrollTop;
	}
	return obj;
}