// 初期設定
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];}}
}

function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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];}
}

// 小窓
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function openNewWin(url, name, w, h) {
	var newWin;
	var options = "menubar=no,toolbar=no,status=no,scrollbars=yes,resizable=yes";
	newWin = window.open(url, name,"width=" + w + ",height=" + h + options);
	newWin.focus();
}


// ページスクロール 
var __scroll = {sp:6, fps:16, timer:0};
function setScrollSp(sp) {
	if(typeof sp == "number") {
		this.__scroll.sp = sp;
	}
}
function setScrollFps(fps) {
	if(typeof fps == "number") {
		this.__scroll.fps = fps;
	}
}
function scrollToTop() {
	pageScroll(0, 0);
}
function getScrollLeft() {
	if(navigator.userAgent.indexOf("MSIE") != -1) {
		return (document.compatMode == "CSS1Compat") ? document.documentElement.scrollLeft : document.body.scrollLeft;
	} else {
 	 return (window.pageXOffset) ? window.pageXOffset : 0;
 }
}
function getScrollTop() {
	if(navigator.userAgent.indexOf("MSIE") != -1) {
		return (document.compatMode == "CSS1Compat") ? document.documentElement.scrollTop : document.body.scrollTop;
	} else {
 	 return (window.pageYOffset) ? window.pageYOffset : 0;
 }
}
function pageScroll(toX, toY, cuX, cuY) {
	clearTimeout(this.__scroll.timer);
	toX = (!toX || toX < 0) ? 0 : toX;
	toY = (!toY || toY < 0) ? 0 : toY;
	cuX = (!cuX) ? 0 + getScrollLeft() : cuX;
	cuY = (!cuY) ? 0 + getScrollTop() : cuY;
	cuX += (toX - getScrollLeft()) / this.__scroll.sp;
	cuY += (toY - getScrollTop()) / this.__scroll.sp;
	if(cuX < 0) { cuX = 0; }
	if(cuY < 0) {	cuY = 0;	}
	window.scrollTo(Math.floor(cuX), Math.floor(cuY));
	if(Math.floor(cuX) != toX || Math.floor(cuY) != toY) {
		this.__scroll.timer = setTimeout("pageScroll("+toX+","+toY+"," +cuX+","+cuY+")",this.__scroll.sp);
	}
}
// SCROLL_PAGE_LINK
ScrollClass.prototype.speed = 12;
ScrollClass.prototype.timer = 0;
ScrollClass.prototype.isCompatMode = document.compatMode == "CSS1Compat";
ScrollClass.prototype.isIE = navigator.userAgent.indexOf("MSIE") != -1;
ScrollClass.prototype.isOpera = window.opera;
ScrollClass.prototype.isMozilla = navigator.userAgent.indexOf("Gecko") != -1;
ScrollClass.prototype.isNN  = navigator.userAgent.indexOf("Netscape") != -1;
ScrollClass.prototype.isNC  = navigator.userAgent.indexOf("Mozilla") != -1 && navigator.userAgent.indexOf("MSIE") == -1;
ScrollClass.prototype.isSafari  = navigator.userAgent.indexOf("Safari") != -1;

ScrollClass.prototype.direction = new Object();
ScrollClass.prototype.offset = new Object();
var scroll = new ScrollClass();
function ScrollClass() {}
ScrollClass.prototype.setScrollSpeed = function(num) {
	if(typeof num == "number") {
		this.speed = num;
	}
}
ScrollClass.prototype.getScrollSpeed = function() {
	return this.speed;
}
ScrollClass.prototype.getMaxScroll = function() {
	var pos = new Object();
	if(this.isNN) {
		pos.x = document.body.scrollWidth - document.body.clientWidth;
		pos.y = document.body.scrollHeight - document.body.clientHeight;
	} else {

		pos.x = this.isCompatMode ? document.documentElement.scrollWidth - document.documentElement.clientWidth : document.body.clientWidth;
		pos.y = this.isCompatMode ? document.documentElement.scrollHeight - document.documentElement.clientHeight : document.body.offsetHeight- document.body.clientHeight;
	}
	return pos;
}
ScrollClass.prototype.getScrollLeft = function() {
	if(this.isIE) {
		return this.isCompatMode ? document.documentElement.scrollLeft : document.body.scrollLeft;
	} else {
		return window.pageXOffset ? window.pageXOffset : 0;
	}
}
ScrollClass.prototype.getScrollTop = function() {
	if(this.isIE) {
		return this.isCompatMode ? document.documentElement.scrollTop : document.body.scrollTop;
	} else {
		return window.pageYOffset ? window.pageYOffset : 0;
	}
}
ScrollClass.prototype.scrollTo = function() {
	if(this.isNC && parseFloat(navigator.appVersion)<5) {
		jump_point = "#" + arguments[1];
		location.href = jump_point;
		return;
	}
	if(this.isSafari) {
		jump_point = "#" + arguments[1];
		location.href = jump_point;
		return;
	}

	var toX = this.parse("x", this.findAnchor(arguments[0]) ? this.getAnchorPos(arguments[0]).x : arguments[0]);
	var toY = this.parse("y", this.findAnchor(arguments[1]) ? this.getAnchorPos(arguments[1]).y : arguments[1]);

	this.direction.is_x = toX - this.getScrollLeft() >= 0 ? true : false;
	this.direction.is_y = toY - this.getScrollTop() >= 0 ? true : false;

	this.pageScroll(toX, toY);
}
ScrollClass.prototype.findAnchor = function(id) {
	if(document.getElementsByName){
		return (document.getElementsByName(id)[0]);
	}
	return (document.anchors[id]);
	//return (document.getElementsByName(id)[0] || document.anchors[id]);
}
ScrollClass.prototype.getAnchorPos = function(id) {

	if(document.getElementsByName) {
		var element = document.getElementsByName(id)[0];
		var obj = new Object();
		do {
			obj.x = (!obj.x) ? element.offsetLeft : obj.x + element.offsetLeft;
			obj.y = (!obj.y) ? element.offsetTop : obj.y + element.offsetTop;
		} while((element = element.offsetParent) != null);
		return {x:obj.x < 0 ? 0 : obj.x, y:obj.y };
	} else if(document.layers) {
		var element = document.anchors[id];
		return {x:element.x, y:element.y };
	} else {
		return {x:0, y:0};
	}
}
ScrollClass.prototype.parse = function(direction, value) {
	var maxScroll = this.getMaxScroll();
	var range = {min_x:0, max_x:maxScroll.x, min_y:0, max_y:maxScroll.y };
	switch(direction) {
		case "x":
//			if(value == undefined) {
			if(!value) {
				return 0;
			} else if(typeof value == "boolean") {
				return value ? 0 : this.getScrollLeft();
			} else if(typeof value == "number") {
				if(!this.isOpera) {
					if(value < 0) {
						return 0;
					} else if(value > range.max_x) {
						return range.max_x;
					}
				}
				return value;
			} else if(typeof value == "string") {
				switch(value) {
					case "left": return 0;
					case "center": return Math.floor(range.max_x / 2);
					case "right": return range.max_x;
					default: this.getScrollLeft();
				}
			}
			return this.getScrollLeft();
			break;
		case "y":
//			if(value == undefined) {
			if(!value) {
				return 0;
			} else if(typeof value == "boolean") {
				return value ? 0 : this.getScrollTop();
			} else if(typeof value == "number") {
				if(value < 0) {
					return 0;
				} else if(value > range.max_y) {
					return range.max_y;
				}
				return value;
			} else if(typeof value == "string") {
				switch(value) {
					case "top": return 0;
					case "middle": return Math.floor(range.max_y / 2);
					case "bottom": return range.max_y;
					default: this.getScrollTop();
				}
			}
			return this.getScrollTop();
			break;
	}
}
ScrollClass.prototype.pageScroll = function(toX, toY) {
	if(this.isOpera) {
		window.scrollTo(toX, toY);
		return;
	}
	clearTimeout(this.timer);
	var dX = this.direction.is_x;
	var dY = this.direction.is_y;
	var scX = this.getScrollLeft();
	var scY = this.getScrollTop();
	var cuX = dX ? Math.ceil((toX - scX) / this.speed) : Math.floor((toX - scX) / this.speed);
	var cuY = dY ? Math.ceil((toY - scY) / this.speed) : Math.floor((toY - scY) / this.speed);
	if(((dX && scX + cuX < toX -1) || (!dX && scX + cuX > toX + 1)) || ((dY && scY + cuY < toY - 1) || (!dY && scY + cuY > toY +1))) {
		window.scrollTo(scX + cuX, scY + cuY);
		if(this.isNN) {
			if(this.offset.x == window.pageXOffset && this.offset.y == window.pageYOffset) {
				return;
			}
			this.offset.x = window.pageXOffset;
			this.offset.y = window.pageYOffset;
		}
		this.timer = setTimeout("ScrollClass.prototype.pageScroll("+toX+","+toY+")",this.speed);
	} else {
		clearTimeout(this.timer);
		window.scrollTo(toX, toY);
		return false;
	}
}