/* -----------------------------------------------
javascript file LE MANS WEBLOG.
FileName:default.css
Author:UNITEAIR
UpdatedBy:who-when
----------------------------------------------- */

/**********************************************************
* pagetop
*/

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);
}
}



/**********************************************************
* pagescroll
*/

ScrollClass.prototype.speed = 12;
ScrollClass.prototype.timer = 0;
ScrollClass.prototype.direction = new Object();
ScrollClass.prototype.offset = new Object();

ScrollClass.prototype.isCompatMode = document.compatMode == "CSS1Compat";
ScrollClass.prototype.major = parseInt(navigator.appVersion);
ScrollClass.prototype.minor = parseFloat(navigator.appVersion);
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.isMac = navigator.userAgent.indexOf("Mac") != -1;

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 = this.major <= 5 ? document.documentElement.offsetWidth - window.innerWidth + 16 : document.documentElement.offsetWidth - window.innerWidth + 17;
pos.y = this.major <= 5 ? document.documentElement.offsetHeight - window.innerHeight + 16 : document.documentElement.offsetHeight - window.innerHeight + 17;
} else {
if(this.isMac) {
pos.x = document.body.offsetWidth- document.body.clientWidth + 1;
pos.y = document.body.offsetHeight - document.body.clientHeight + 1;
} else {
pos.x = this.isCompatMode ? document.documentElement.scrollWidth - document.documentElement.clientWidth : document.body.scrollWidth - document.body.clientWidth;
pos.y = this.isCompatMode ? document.documentElement.scrollHeight - document.documentElement.clientHeight : document.body.scrollHeight - document.body.clientHeight;
}
}
if(pos.x < 0) { sc.x = 0; }
if(pos.y < 0) { sc.y = 0; }
return {x:pos.x, y:pos.y };
}
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() {
clearTimeout(this.timer);
this.offset.x = null;
this.offset.y = null;
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) {
return (document.getElementsByName(id)[0] || document.anchors[id]);
}
ScrollClass.prototype.getAnchorPos = function(id) {
if(document.getElementsByName(id)[0]) {
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(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(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))) {
if(this.offset.x != null && this.offset.y != null) {
if(this.offset.x == scX && this.offset.y == scY) {
return;
} else if((dX && this.offset.x > scX) || (!dX && this.offset.x < scX)) {
return;
} else if((dY && this.offset.y > scY) || (!dY && this.offset.y < scY)) {
return;
}
}
window.scrollTo(scX + cuX, scY + cuY);
this.timer = setTimeout("ScrollClass.prototype.pageScroll("+toX+","+toY+")",this.speed);
this.offset.x = scX;
this.offset.y = scY;
} else {
clearTimeout(this.timer);
window.scrollTo(toX, toY);
return false;
}
}