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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jsScrollbar</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<style type="text/css">
.Container {
position: absolute;
top: 50px; left: 100px;
width: 400px;
height: 200px;
background: #FFF url(images/container_background.gif) no-repeat;
}
#Scroller-1 {
position: absolute;
overflow: hidden;
width: 400px;
height: 200px;
}
#Scroller-1 p {
margin: 0; padding: 10px 20px;
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 11px;
text-indent: 20px;
color: #6F6048;
}
.Scroller-Container {
position: absolute;
top: 0px; left: 0px;
}
#Scrollbar-Container {
position: absolute;
top: 40px; left: 60px;
}
.Scrollbar-Up {
cursor: pointer;
position: absolute;
}
.Scrollbar-Track {
width: 20px; height: 161px;
position: absolute;
top: 36px; left: 4px;
background: transparent url(scrollImages/scrollbar_track.gif) no-repeat center center;
}
.Scrollbar-Handle {
position: absolute;
width: 20px; height: 22px;
}
.Scrollbar-Down {
cursor: pointer;
position: absolute;
top: 187px;
}
</style>
<script type="text/javascript">
//Written by Nathan Faubion: http://n-son.com
//Use this or edit how you want, just give me
//some credit!
function jsScroller (o, w, h) {
var self = this;
var list = o.getElementsByTagName("div");
for (var i = 0; i < list.length; i++) {
if (list[i].className.indexOf("Scroller-Container") > -1) {
o = list[i];
}
}
//Private methods
this._setPos = function (x, y) {
if (x < this.viewableWidth - this.totalWidth)
x = this.viewableWidth - this.totalWidth;
if (x > 0) x = 0;
if (y < this.viewableHeight - this.totalHeight)
y = this.viewableHeight - this.totalHeight;
if (y > 0) y = 0;
this._x = x;
this._y = y;
with (o.style) {
left = this._x +"px";
top = this._y +"px";
}
};
//Public Methods
this.reset = function () {
this.content = o;
this.totalHeight = o.offsetHeight;
this.totalWidth = o.offsetWidth;
this._x = 0;
this._y = 0;
with (o.style) {
left = "0px";
top = "0px";
}
};
this.scrollBy = function (x, y) {
this._setPos(this._x + x, this._y + y);
};
this.scrollTo = function (x, y) {
this._setPos(-x, -y);
};
this.stopScroll = function () {
if (this.scrollTimer) window.clearInterval(this.scrollTimer);
};
this.startScroll = function (x, y) {
this.stopScroll();
this.scrollTimer = window.setInterval(
function(){ self.scrollBy(x, y); }, 40
);
};
this.swapContent = function (c, w, h) {
o = c;
var list = o.getElementsByTagName("div");
for (var i = 0; i < list.length; i++) {
if (list[i].className.indexOf("Scroller-Container") > -1) {
o = list[i];
}
}
if (w) this.viewableWidth = w;
if (h) this.viewableHeight = h;
this.reset();
};
//variables
this.content = o;
this.viewableWidth = w;
this.viewableHeight = h;
this.totalWidth = o.offsetWidth;
this.totalHeight = o.offsetHeight;
this.scrollTimer = null;
this.reset();
};
</script>
<script type="text/javascript">
//Written by Nathan Faubion: http://n-son.com
//Use this or edit how you want, just give me
//some credit!
function jsScrollbar (o, s, a, ev) {
var self = this;
this.reset = function () {
//Arguments that were passed
this._parent = o;
this._src = s;
this.auto = a ? a : false;
this.eventHandler = ev ? ev : function () {};
//Component Objects
this._up = this._findComponent("Scrollbar-Up", this._parent);
this._down = this._findComponent("Scrollbar-Down", this._parent);
this._yTrack = this._findComponent("Scrollbar-Track", this._parent);
this._yHandle = this._findComponent("Scrollbar-Handle", this._yTrack);
//Height and position properties
this._trackTop = findOffsetTop(this._yTrack);
this._trackHeight = this._yTrack.offsetHeight;
this._handleHeight = this._yHandle.offsetHeight;
this._x = 0;
this._y = 0;
//Misc. variables
this._scrollDist = 5;
this._scrollTimer = null;
this._selectFunc = null;
this._grabPoint = null;
this._tempTarget = null;
this._tempDistX = 0;
this._tempDistY = 0;
this._disabled = false;
this._ratio = (this._src.totalHeight - this._src.viewableHeight)/(this._trackHeight - this._handleHeight);
this._yHandle.ondragstart = function () {return false;};
this._yHandle.onmousedown = function () {return false;};
this._addEvent(this._src.content, "mousewheel", this._scrollbarWheel);
this._removeEvent(this._parent, "mousedown", this._scrollbarClick);
this._addEvent(this._parent, "mousedown", this._scrollbarClick);
this._src.reset();
with (this._yHandle.style) {
top = "0px";
left = "0px";
}
this._moveContent();
if (this._src.totalHeight < this._src.viewableHeight) {
this._disabled = true;
this._yHandle.style.visibility = "hidden";
if (this.auto) this._parent.style.visibility = "hidden";
} else {
this._disabled = false;
this._yHandle.style.visibility = "visible";
this._parent.style.visibility = "visible";
}
};
this._addEvent = function (o, t, f) {
if (o.addEventListener) o.addEventListener(t, f, false);
else if (o.attachEvent) o.attachEvent('on'+ t, f);
else o['on'+ t] = f;
};
this._removeEvent = function (o, t, f) {
if (o.removeEventListener) o.removeEventListener(t, f, false);
else if (o.detachEvent) o.detachEvent('on'+ t, f);
else o['on'+ t] = null;
};
this._findComponent = function (c, o) {
var kids = o.childNodes;
for (var i = 0; i < kids.length; i++) {
if (kids[i].className && kids[i].className == c) {
return kids[i];
}
}
};
//Thank you, Quirksmode
function findOffsetTop (o) {
var t = 0;
if (o.offsetParent) {
while (o.offsetParent) {
t += o.offsetTop;
o = o.offsetParent;
}
}
return t;
};
this._scrollbarClick = function (e) {
if (self._disabled) return false;
e = e ? e : event;
if (!e.target) e.target = e.srcElement;
if (e.target.className.indexOf("Scrollbar-Up") > -1) self._scrollUp(e);
else if (e.target.className.indexOf("Scrollbar-Down") > -1) self._scrollDown(e);
else if (e.target.className.indexOf("Scrollbar-Track") > -1) self._scrollTrack(e);
else if (e.target.className.indexOf("Scrollbar-Handle") > -1) self._scrollHandle(e);
self._tempTarget = e.target;
self._selectFunc = document.onselectstart;
document.onselectstart = function () {return false;};
self.eventHandler(e.target, "mousedown");
self._addEvent(document, "mouseup", self._stopScroll, false);
return false;
};
this._scrollbarDrag = function (e) {
e = e ? e : event;
var t = parseInt(self._yHandle.style.top);
var v = e.clientY + document.body.scrollTop - self._trackTop;
with (self._yHandle.style) {
if (v >= self._trackHeight - self._handleHeight + self._grabPoint)
top = self._trackHeight - self._handleHeight +"px";
else if (v <= self._grabPoint) top = "0px";
else top = v - self._grabPoint +"px";
self._y = parseInt(top);
}
self._moveContent();
};
this._scrollbarWheel = function (e) {
e = e ? e : event;
var dir = 0;
if (e.wheelDelta >= 120) dir = -1;
if (e.wheelDelta <= -120) dir = 1;
self.scrollBy(0, dir * 20);
e.returnValue = false;
};
this._startScroll = function (x, y) {
this._tempDistX = x;
this._tempDistY = y;
this._scrollTimer = window.setInterval(function () {
self.scrollBy(self._tempDistX, self._tempDistY);
}, 40);
};
this._stopScroll = function () {
self._removeEvent(document, "mousemove", self._scrollbarDrag, false);
self._removeEvent(document, "mouseup", self._stopScroll, false);
if (self._selectFunc) document.onselectstart = self._selectFunc;
else document.onselectstart = function () { return true; };
if (self._scrollTimer) window.clearInterval(self._scrollTimer);
self.eventHandler (self._tempTarget, "mouseup");
};
this._scrollUp = function (e) {this._startScroll(0, -this._scrollDist);};
this._scrollDown = function (e) {this._startScroll(0, this._scrollDist);};
this._scrollTrack = function (e) {
var curY = e.clientY + document.body.scrollTop;
this._scroll(0, curY - this._trackTop - this._handleHeight/2);
};
this._scrollHandle = function (e) {
var curY = e.clientY + document.body.scrollTop;
this._grabPoint = curY - findOffsetTop(this._yHandle);
this._addEvent(document, "mousemove", this._scrollbarDrag, false);
};
this._scroll = function (x, y) {
if (y > this._trackHeight - this._handleHeight)
y = this._trackHeight - this._handleHeight;
if (y < 0) y = 0;
this._yHandle.style.top = y +"px";
this._y = y;
this._moveContent();
};
this._moveContent = function () {
this._src.scrollTo(0, Math.round(this._y * this._ratio));
};
this.scrollBy = function (x, y) {
this._scroll(0, (-this._src._y + y)/this._ratio);
};
this.scrollTo = function (x, y) {
this._scroll(0, y/this._ratio);
};
this.swapContent = function (o, w, h) {
this._removeEvent(this._src.content, "mousewheel", this._scrollbarWheel, false);
this._src.swapContent(o, w, h);
this.reset();
};
this.reset();
};
</script>
<script type="text/javascript">
var scroller = null;
var scrollbar = null;
window.onload = function () {
scroller = new jsScroller(document.getElementById("Scroller-1"), 400, 200);
scrollbar = new jsScrollbar (document.getElementById("Scrollbar-Container"), scroller, false);
}
</script>
</head>
<body>
<div id="Scrollbar-Container">
<img src="scrollImages/up_arrow.gif" class="Scrollbar-Up" />
<img src="scrollImages/down_arrow.gif" class="Scrollbar-Down" />
<div class="Scrollbar-Track">
<img src="scrollImages/scrollbar_handle.gif" class="Scrollbar-Handle" />
</div>
</div>
<div class="Container">
<div id="Scroller-1">
<div class="Scroller-Container">
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</div>
</div>
</div>
</body>
</html>
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