// Check the browser
bw=new checkBrowser()

//If you want it to move faster you can set this lower:
var speed=40

//Sets variables to keep track of what's happening
var dloop, uloop, lloop, rloop, timer;

//browsercheck
function checkBrowser()
{
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}

//Object constructor
function objScroll(obj,nest)
{
    nest=(!nest) ? '':'document.'+nest+'.'
	this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
  	this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;
	this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight
	this.scrollWidth=bw.ns4?this.css.document.width:this.el.offsetWidth
	this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight
	this.clipWidth=bw.ns4?this.css.clip.width:this.el.offsetWidth
	this.up=scrollUp;this.down=scrollDown;this.left=scrollLeft;this.right=scrollRight;
	this.moveTo=moveTo; this.x; this.y;
    this.obj = obj + "Object"
    eval(this.obj + "=this")
    return this
}

function moveTo(x,y)
{
	this.x=x;this.y=y
	this.css.left=this.x
	this.css.top=this.y
}

//Makes the object go up
function scrollDown(move)
{
	if(this.y>-this.scrollHeight+objMask.clipHeight){
		this.moveTo(0,this.y-move)
			if(dloop) setTimeout(this.obj+".down("+move+")",speed)
	}
}

//Makes the object go down
function scrollUp(move)
{
	if(this.y<0){
		this.moveTo(0,this.y-move)
		if(uloop) setTimeout(this.obj+".up("+move+")",speed)
	}
}

//Make the object go right
function scrollRight(move)
{
	if (this.x>=-this.scrollWidth+objMask.clipWidth){
		this.moveTo(this.x-move,0)
			if(rloop) setTimeout(this.obj+".right("+move+")",speed);
	}
	else
	{
		noScroll();
		scrollSideways(move*-1);
	}
}

// Make the object go left
function scrollLeft(move)
{
	if (this.x<0){
		this.moveTo(this.x-move,0)
			if(lloop) setTimeout(this.obj+".left("+move+")",speed);
	}
	else
	{
		noScroll();
		scrollSideways(move*-1);
	}
}

//Calls the scrolling functions. Also checks whether the page is loaded or not.
function scroll(speed)
{
	if(loaded){
		if(speed>0) {uloop=false;dloop=true;objContent.down(speed);}
		else {dloop=false;uloop=true;objContent.up(speed);}
	}
}

function scrollSideways(speed)
{
  if (loaded) {
	  if (speed>0) {lloop=false;rloop=true;objContent.right(speed);}
	  else {rloop=false;lloop=true;objContent.left(speed);}
  }
}

//Stops the scrolling (called on mouseout)
function noScroll()
{
	window.status='';
	if (dloop) dloop=false;
    if (uloop) uloop=false;
	if (rloop) rloop=false;
	if (lloop) lloop=false;
	if(timer) clearTimeout(timer);
}