/*  ================================================================================
 *
 *  jQuery Page Scroller -version 3.0.8
 *  http://coliss.com/articles/build-websites/operation/javascript/296.html
 *  (c)2011 coliss.com
 *
 *  この作品は、クリエイティブ・コモンズの表示 2.1 日本ライセンスの下で
 *  ライセンスされています。
 *  この使用許諾条件を見るには、http://creativecommons.org/licenses/by-sa/2.1/jp/を
 *  チェックするか、クリエイティブ･コモンズに郵便にてお問い合わせください。
 *  住所は：559 Nathan Abbott Way, Stanford, California 94305, USA です。
 *
================================================================================  */


/*  ================================================================================
TOC
============================================================
Ooption
Page Scroller
============================================================
this script requires jQuery 1.3-1.4.4(http://jquery.com/)
================================================================================  */


/*  ================================================================================
Ooption
================================================================================  */
var virtualTopId = "top",
    virtualTop,
    adjTraverser,
    adjPosition,
    callExternal = "pSc",
    delayExternal= 200,
    adjSpeed = 1;

/* option example
======================================================================  */
//  virtualTop = 0;    // virtual top's left position = 0
//  virtualTop = 1;    // virtual top's left position = vertical movement
//  adjTraverser = 0;  // left position = 0
//  adjTraverser = 1;  // horizontal movement.
//  adjPosition = -26;

/*  ================================================================================
Page Scroller
================================================================================  */
(function ($) {
    var height = $.fn.height,
        width = $.fn.width,
        left = $.fn.left,
        top = $.fn.top;
    $.fn.extend({
        width: function () {
            if (!this[0]) error();
            if (this[0] == window) return self.innerWidth || $.boxModel && document.documentElement.clientWidth || document.body.clientWidth;
            if (this[0] == document) return ((document.documentElement && document.compatMode == "CSS1Compat") ? document.documentElement.scrollWidth : document.body.scrollWidth);
            return width.apply(this, arguments)
        },
        height: function () {
            if (!this[0]) error();
            if (this[0] == window) return self.innerHeight || $.boxModel && document.documentElement.clientHeight || document.body.clientHeight;
            if (this[0] == document) return ((document.documentElement && document.compatMode == "CSS1Compat") ? document.documentElement.scrollHeight : document.body.scrollHeight);
            return height.apply(this, arguments)
        },
        left: function () {
            if (!this[0]) return true;
            var obj = document.getElementById ? document.getElementById(this[0].id) : document.all(this[0].id);
            var tagCoords = new Object();
            tagCoords.x = obj.offsetLeft;
            while ((obj = obj.offsetParent) != null) {
                tagCoords.x += obj.offsetLeft
            }
            if ((tagCoords.x * 0) == 0) return (tagCoords.x);
            else return (this[0].id)
        },
        top: function () {
            if (!this[0]) return true;
            var obj = document.getElementById ? document.getElementById(this[0].id) : document.all(this[0].id);
            var tagCoords = new Object();
            tagCoords.y = obj.offsetTop;
            while ((obj = obj.offsetParent) != null) {
                tagCoords.y += obj.offsetTop
            }
            if ((tagCoords.y * 0) == 0) return (tagCoords.y);
            else return (this[0].id)
        }
    })
})(jQuery);
$(function () {
    $('a[href^="#"], area[href^="#"]').not('.nopscr a[href^="#"], a[href^="#"].nopscr').click(function () {
        var usrUrl = location.hostname + location.pathname;
        var anchorPath = ((this.href).substring(0, (((this.href).length) - ((this.hash).length)))).slice((this.href).indexOf("//") + 2);
        if (usrUrl.lastIndexOf("?") != -1) usrUrlOmitQ = usrUrl.slice(0, (usrUrl.lastIndexOf("?")));
        else usrUrlOmitQ = usrUrl;
        if (anchorPath.lastIndexOf("?") != -1) anchorPathOmitQ = anchorPath.slice(0, (anchorPath.lastIndexOf("?")));
        else anchorPathOmitQ = anchorPath;
        if (anchorPathOmitQ == usrUrlOmitQ) {
            coliss.toAnchor((this.hash).substr(1));
            return false
        }
    });
    $("body").click(function () {
        coliss.stopScroll()
    })
});
this.pageScrollTimer = null;
var coliss = {
    getScrollRange: function (type) {
        if (type == "x") return (($(document).width()) - ($(window).width()));
        else if (type == "y") return (($(document).height()) - ($(window).height()))
    },
    getWindowOffset: function (type) {
        if (type == "x") return (window.pageXOffset || document.body.scrollLeft || document.body.parentNode.scrollLeft);
        else if (type == "y") return (window.pageYOffset || document.body.scrollTop || document.body.parentNode.scrollTop)
    },
    pageScroll: function (toX, toY, frms, frX, frY) {
        var pageScrollTimer;
        if (pageScrollTimer) clearTimeout(pageScrollTimer);
        var spd = 16 * adjSpeed;
        var actX = coliss.getWindowOffset('x');
        var actY = coliss.getWindowOffset('y');
        if (!toX || toX < 0) toX = 0;
        if (!toY || toY < 0) toY = 0;
        if (!frms) frms = $.browser.mozilla ? 10 : $.browser.opera ? 8 : 9;
        if (!frX) frX = 0 + actX;
        if (!frY) frY = 0 + actY;
        frX += (toX - actX) / frms;
        if (frX < 0) frX = 0;
//        frY += (toY - actY) / frms;
        frY += (toY - actY) / 3;
        if (frY < 0) frY = 0;
        var posX = Math.ceil(frX);
        var posY = Math.ceil(frY);
        window.scrollTo(posX, posY);
        if ((Math.floor(Math.abs(actX - toX)) < 1) && (Math.floor(Math.abs(actY - toY)) < 1)) {
            clearTimeout(this.pageScrollTimer);
            window.scroll(toX, toY)
        } else if ((posX != toX) || (posY != toY)) this.pageScrollTimer = setTimeout("coliss.pageScroll(" + toX + "," + toY + "," + frms + "," + frX + "," + frY + ")", spd);
        else clearTimeout(this.pageScrollTimer)
    },
    stopScroll: function () {
        clearTimeout(this.pageScrollTimer)
    },
    cancelScroll: function (e) {
        coliss.stopScroll()
    },
    toAnchor: function (idName) {
        coliss.stopScroll();
        var anchorX, anchorY;
        if ( !! idName) {
            if (idName == virtualTopId) {
                anchorX = (virtualTop == 0) ? 0 : (virtualTop == 1) ? window.pageXOffset || document.body.scrollLeft || document.body.parentNode.scrollLeft : $('#' + idName).left();
                anchorY = ((virtualTop == 0) || (virtualTop == 1)) ? 0 : $('#' + idName).top()
            } else {
                anchorX = (adjTraverser == 0) ? 0 : (adjTraverser == 1) ? ($('#' + idName).left()) : window.pageXOffset || document.body.scrollLeft || document.body.parentNode.scrollLeft;
                anchorY = adjPosition ? ($('#' + idName).top()) + adjPosition : ($('#' + idName).top())
            }
            var dMaxX = coliss.getScrollRange('x');
            var dMaxY = coliss.getScrollRange('y');
            if (((anchorX * 0) == 0) || ((anchorY * 0) == 0)) {
                var setX = (anchorX < 1) ? 0 : (anchorX > dMaxX) ? dMaxX : anchorX;
                var setY = (anchorY < 1) ? 0 : (anchorY > dMaxY) ? dMaxY : anchorY;
                coliss.pageScroll(setX, setY)
            } else location.hash = idName
        } else coliss.pageScroll(0, 0)
    },
    initPageScroller: function () {
        var usrUrl = location.href;
        var checkAnchor = usrUrl.indexOf("#", 0);
        var checkPageScroller = usrUrl.match(callExternal);
        if ( !! checkPageScroller) {
            anchorId = usrUrl.slice(usrUrl.lastIndexOf("?" + callExternal) + 4, usrUrl.length);
            timerID = setTimeout("coliss.toAnchor(anchorId)", delayExternal)
        }
        if (!checkAnchor) window.scroll(0, 0);
        else return true
    }
};
$(coliss.initPageScroller);