timSpeed=50

contHeight=210



//If you want it to move faster you can set this lower:

var speed=5



//Sets variables to keep track of what's happening

var loop, timer



//Object constructor

function scrollObj(obj,nest)

{

	this.el=document.getElementById(obj);

	this.css=this.el.style;

	this.scrollWidth=this.el.offsetWidth

	this.scrollHeight=this.el.offsetHeight

	this.clipWidth=this.el.offsetWidth

	this.clipHeight=this.el.offsetHeight

	this.left=goLeft;

        this.right=goRight;	

        this.up=goUp;

        this.down=goDown;

	this.top=goTop;

        this.bottom=goBottom;

	this.moveIt=moveIt;

	this.obj = obj + "Object"

	eval(this.obj + "=this")

	return this

}



function moveIt(x,y)

{

		  this.x=x;

		  this.y=y

		  this.css.left=this.x + 'px';

		  this.css.top=this.y + 'px';

}



//Makes the object go up

function goDown(move){

        scrollInit();

	if(this.y>-this.scrollHeight+oCont.clipHeight)

	{

		this.moveIt(0,this.y-move)

		if(loop) setTimeout(this.obj+".down("+move+")",speed)

	}

}

//Makes the object go down

function goUp(move)

{

        scrollInit();

	if(this.y<0)

	{

		this.moveIt(0,this.y-move)

		if(loop) setTimeout(this.obj+".up("+move+")",speed)

	}

}



//Makes the object go left

function goLeft(move)

{

        scrollInit();

	if(this.x<0)

	{

		this.moveIt(this.x-move,0)

		if(loop) setTimeout(this.obj+".left("+move+")",speed)

	}

}



//Makes the object go right

function goRight(move)

{

        scrollInit();

	if(this.x>-this.scrollWidth+oCont.clipWidth)

	{

		this.moveIt(this.x-move,0)

		if(loop) setTimeout(this.obj+".right("+move+")",speed)

	}

}



//Makes the object go bottom

function goBottom() 

{

        scrollInit();

	this.moveIt(0,oCont.clipHeight-this.clipHeight) ;

}



function goTop() 

{

        scrollInit();

	this.moveIt(0,0) ;

}



//Calls the scrolling functions. Also checks whether the page is loaded or not.

function scroll(speed)

{

        scrollInit();

	if(loaded)

	{

		loop=true;

		if(speed>0) 

			oScroll.down(speed)

		else 

			oScroll.up(speed)

	}

}



function scrollH(speed)

{

	if(loaded)

	{

		loop=true;

		if(speed>0) 

			oScroll.right(speed)

		else 

			oScroll.left(speed)

	}

}



function jumpTop() 

{

         oScroll.top();

         //goTop();

}



function jumpBottom() 

{

	oScroll.bottom();

	// goBottom();

}



//Stops the scrolling (called on mouseout)

function noScroll()

{

	loop=false

	if(timer) clearTimeout(timer)

}

//Makes the object

var loaded;

var scroll_loaded = false;

function scrollInit()

{

	if (scroll_loaded) 

	{

		return;

	}

              

	document.getElementById('BlocScroll').style.height = 'auto';



	oCont=new scrollObj('divCont')

	oScroll=new scrollObj('BlocScroll','divCont')

	oScroll.moveIt(0,0)

	oCont.css.visibility='visible'

	loaded=true;

        scroll_loaded = true;

}


