// JavaScript Document

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];}
}


// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
//
// Coded by Travis Beckham
// http://www.squidfingers.com | http://www.podlob.com
// If want to use this code, feel free to do so, but please leave this message intact.
//
// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// --- version date: 01/24/03 ---------------------------------------------------------

// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// Cross-Browser Functions

var dom = document.getElementById;
var iex = document.all;
var ns4 = document.layers;

function addEvent(event,method){
	this[event] = method;
	if(ns4) this.captureEvents(Event[event.substr(2,event.length).toUpperCase()]);
}
function removeEvent(event){
	this[event] = null;
	if(ns4) this.releaseEvents(Event[event.substr(2,event.length).toUpperCase()]);
}
function getElement(name,nest){
	nest = nest ? "document."+nest+"." : "";
	var el = dom ? document.getElementById(name) : iex ? document.all[name] : ns4 ? eval(nest+"document."+name) : false;
	el.css = ns4 ? el : el.style;
	el.getTop = function(){return parseInt(el.css.top) || 0};
	el.setTop = function(y){el.css.top = ns4 ? y: y+"px"};
	el.getHeight = function(){return ns4 ? el.document.height : el.offsetHeight};
	el.getClipHeight = function(){return ns4 ? el.clip.height : el.offsetHeight};
	el.hideVis = function(){el.css.visibility="hidden"};
	el.addEvent = addEvent;
	el.removeEvent = removeEvent;
	return el;
}
function getYMouse(e){
	return iex ? event.clientY : e.pageY;
}

document.addEvent = addEvent;
document.removeEvent = removeEvent;

// ||||||||||||||||||||||||||||||||||||||||||||||||||
// Scroller Class

ScrollObj = function(speed, dragHeight, trackHeight, trackObj, upObj, downObj, dragObj, contentMaskObj, contentObj){
	this.speed = speed;
	this.dragHeight = dragHeight;
	this.trackHeight = trackHeight;
	this.trackObj = getElement(trackObj);
	this.upObj = getElement(upObj);
	this.downObj = getElement(downObj);
	this.dragObj = getElement(dragObj);
	this.contentMaskObj = getElement(contentMaskObj);
	this.contentObj = getElement(contentObj,contentMaskObj);
	this.obj = contentObj+"Object";
	eval(this.obj+"=this");
	
	this.trackTop = this.dragObj.getTop();
	this.trackLength = this.trackHeight-this.dragHeight;
	this.trackBottom = this.trackTop+this.trackLength;
	this.contentMaskHeight = this.contentMaskObj.getClipHeight();
	this.contentHeight = this.contentObj.getHeight();
	this.contentLength = this.contentHeight-this.contentMaskHeight;
	this.scrollLength = this.trackLength/this.contentLength;
	this.scrollTimer = null;
	
	if(this.contentHeight <= this.contentMaskHeight){
		this.dragObj.hideVis();
		this.downObj.hideVis();
		this.upObj.hideVis();
		this.trackObj.hideVis();
	}else{
		var self = this;
		this.trackObj.addEvent("onmousedown", function(e){self.scrollJump(e);return false});
		this.upObj.addEvent("onmousedown", function(){self.scroll(self.speed);return false});
		this.upObj.addEvent("onmouseup", function(){self.stopScroll()});
		this.upObj.addEvent("onmouseout", function(){self.stopScroll()});
		this.downObj.addEvent("onmousedown", function(){self.scroll(-self.speed);return false});
		this.downObj.addEvent("onmouseup", function(){self.stopScroll()});
		this.downObj.addEvent("onmouseout", function(){self.stopScroll()});
		this.dragObj.addEvent("onmousedown", function(e){self.startDrag(e);return false});
		if(iex) this.dragObj.addEvent("ondragstart", function(){return false});
	}
}
ScrollObj.prototype.startDrag = function(e){
	this.dragStartMouse = getYMouse(e);
	this.dragStartOffset = this.dragObj.getTop();
	var self = this;
	document.addEvent("onmousemove", function(e){self.drag(e)});
	document.addEvent("onmouseup", function(){self.stopDrag()});
}
ScrollObj.prototype.stopDrag = function(){
	document.removeEvent("onmousemove");
	document.removeEvent("onmouseup");
}
ScrollObj.prototype.drag = function(e){
	var currentMouse = getYMouse(e);
	var mouseDifference = currentMouse-this.dragStartMouse;
	var dragDistance = this.dragStartOffset+mouseDifference;
	var dragMovement = (dragDistance<this.trackTop) ? this.trackTop : (dragDistance>this.trackBottom) ? this.trackBottom : dragDistance;
	this.dragObj.setTop(dragMovement);
	var contentMovement = -(dragMovement-this.trackTop)*(1/this.scrollLength);
	this.contentObj.setTop(contentMovement);
}
ScrollObj.prototype.scroll = function(speed){
	var contentMovement = this.contentObj.getTop()+speed;
	var dragMovement = this.trackTop-Math.round(this.contentObj.getTop()*(this.trackLength/this.contentLength));
	if(contentMovement > 0){
		contentMovement = 0;
	}else if(contentMovement < -this.contentLength){
		contentMovement = -this.contentLength;
	}
	if(dragMovement < this.trackTop){
		dragMovement = this.trackTop;
	}else if(dragMovement > this.trackBottom){
		dragMovement = this.trackBottom;
	}
	this.contentObj.setTop(contentMovement);
	this.dragObj.setTop(dragMovement);
	this.scrollTimer = window.setTimeout(this.obj+".scroll("+speed+")",25);
}
ScrollObj.prototype.stopScroll = function(){
	if(this.scrollTimer){
		window.clearTimeout(this.scrollTimer);
		this.scrollTimer = null;
	}
}
ScrollObj.prototype.scrollJump = function(e){
	var currentMouse = getYMouse(e);
	var dragDistance = currentMouse-(this.dragHeight/2);
	var dragMovement = (dragDistance<this.trackTop) ? this.trackTop : (dragDistance>this.trackBottom) ? this.trackBottom : dragDistance;
	this.dragObj.setTop(dragMovement);
	var contentMovement = -(dragMovement-this.trackTop)*(1/this.scrollLength);
	this.contentObj.setTop(contentMovement);
}

// ||||||||||||||||||||||||||||||||||||||||||||||||||
// Misc Functions

function fixNetscape4(){
	if(ns4origWidth != window.innerWidth || ns4origHeight != window.innerHeight){
		window.location.reload();
	}	
}
if(document.layers){
	ns4origWidth = window.innerWidth;
	ns4origHeight = window.innerHeight;
	window.onresize = fixNetscape4;
}

// ||||||||||||||||||||||||||||||||||||||||||||||||||

/* 
window.onload = function(){
	// speed, dragHeight, trackHeight, trackObj, upObj, downObj, dragObj, contentMaskObj, contentObj
	myScroll = new ScrollObj(6,50,250,"track","up","down","drag","contentMask","content");
};
*/

function loadScrollBar(){
	 //speed, dragHeight, trackHeight, trackObj, upObj, downObj, dragObj, contentMaskObj, contentObj
	myScroll = new ScrollObj(6,50,250,"track","up","down","drag","contentMask","content");
}







// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
//
// Coded by Travis Beckham
// http://www.squidfingers.com | http://www.podlob.com
// If want to use this code, feel free to do so, but please leave this message intact.
//
// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// --- version date: 01/24/03 ---------------------------------------------------------


// ||||||||||||||||||||||||||||||||||||||||||||||||||
// Scroller Class

ScrolltObj = function(speed, dragHeight, trackHeight, tracktObj, uptObj, downtObj, dragtObj, contenttMaskObj, contenttObj){
	this.speed = speed;
	this.dragHeight = dragHeight;
	this.trackHeight = trackHeight;
	this.tracktObj = getElement(tracktObj);
	this.uptObj = getElement(uptObj);
	this.downtObj = getElement(downtObj);
	this.dragtObj = getElement(dragtObj);
	this.contenttMaskObj = getElement(contenttMaskObj);
	this.contenttObj = getElement(contenttObj,contenttMaskObj);
	this.obj = contenttObj+"Object";
	eval(this.obj+"=this");
	
	this.trackTop = this.dragtObj.getTop();
	this.trackLength = this.trackHeight-this.dragHeight;
	this.trackBottom = this.trackTop+this.trackLength;
	this.contenttMaskHeight = this.contenttMaskObj.getClipHeight();
	this.contenttHeight = this.contenttObj.getHeight();
	this.contenttLength = this.contenttHeight-this.contenttMaskHeight;
	this.scrollLength = this.trackLength/this.contenttLength;
	this.scrollTimer = null;
	
	if(this.contenttHeight <= this.contenttMaskHeight){
		this.dragtObj.hideVis();
		this.downtObj.hideVis();
		this.uptObj.hideVis();
		this.tracktObj.hideVis();
	}else{
		var self = this;
		this.tracktObj.addEvent("onmousedown", function(e){self.scrollJump(e);return false});
		this.uptObj.addEvent("onmousedown", function(){self.scroll(self.speed);return false});
		this.uptObj.addEvent("onmouseup", function(){self.stopScroll()});
		this.uptObj.addEvent("onmouseout", function(){self.stopScroll()});
		this.downtObj.addEvent("onmousedown", function(){self.scroll(-self.speed);return false});
		this.downtObj.addEvent("onmouseup", function(){self.stopScroll()});
		this.downtObj.addEvent("onmouseout", function(){self.stopScroll()});
		this.dragtObj.addEvent("onmousedown", function(e){self.startDrag(e);return false});
		if(iex) this.dragtObj.addEvent("ondragstart", function(){return false});
	}
}
ScrolltObj.prototype.startDrag = function(e){
	this.dragStartMouse = getYMouse(e);
	this.dragStartOffset = this.dragtObj.getTop();
	var self = this;
	document.addEvent("onmousemove", function(e){self.drag(e)});
	document.addEvent("onmouseup", function(){self.stopDrag()});
}
ScrolltObj.prototype.stopDrag = function(){
	document.removeEvent("onmousemove");
	document.removeEvent("onmouseup");
}
ScrolltObj.prototype.drag = function(e){
	var currentMouse = getYMouse(e);
	var mouseDifference = currentMouse-this.dragStartMouse;
	var dragDistance = this.dragStartOffset+mouseDifference;
	var dragMovement = (dragDistance<this.trackTop) ? this.trackTop : (dragDistance>this.trackBottom) ? this.trackBottom : dragDistance;
	this.dragtObj.setTop(dragMovement);
	var contenttMovement = -(dragMovement-this.trackTop)*(1/this.scrollLength);
	this.contenttObj.setTop(contenttMovement);
}
ScrolltObj.prototype.scroll = function(speed){
	var contenttMovement = this.contenttObj.getTop()+speed;
	var dragMovement = this.trackTop-Math.round(this.contenttObj.getTop()*(this.trackLength/this.contenttLength));
	if(contenttMovement > 0){
		contenttMovement = 0;
	}else if(contenttMovement < -this.contenttLength){
		contenttMovement = -this.contenttLength;
	}
	if(dragMovement < this.trackTop){
		dragMovement = this.trackTop;
	}else if(dragMovement > this.trackBottom){
		dragMovement = this.trackBottom;
	}
	this.contenttObj.setTop(contenttMovement);
	this.dragtObj.setTop(dragMovement);
	this.scrollTimer = window.setTimeout(this.obj+".scroll("+speed+")",5);
}
ScrolltObj.prototype.stopScroll = function(){
	if(this.scrollTimer){
		window.clearTimeout(this.scrollTimer);
		this.scrollTimer = null;
	}
}
ScrolltObj.prototype.scrollJump = function(e){
	var currentMouse = getYMouse(e);
	var dragDistance = currentMouse-(this.dragHeight/t);
	var dragMovement = (dragDistance<this.trackTop) ? this.trackTop : (dragDistance>this.trackBottom) ? this.trackBottom : dragDistance;
	this.dragtObj.setTop(dragMovement);
	var contentMovement = -(dragMovement-this.trackTop)*(1/this.scrollLength);
	this.contenttObj.setTop(contenttMovement);
}

/* 
window.onload = function(){
	// speed, dragHeight, trackHeight, tracktObj, uptObj, downtObj, dragtObj, contenttMaskObj, contenttObj
	myScroll = new ScrolltObj(6,50,250,"track","up","down","drag","contenttMask","contentt");
};
*/

function loadScrollBar2(){
	 //speed, dragHeight, trackHeight, tracktObj, uptObj, downtObj, dragtObj, contenttMaskObj, contenttObj
	myScroll = new ScrolltObj(6,50,250,"trackt","upt","downt","dragt","contenttMask","contentt");
}