timSpeed=50
contHeight=210

//If you want it to move faster you can set this lower:
var speed=1

//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) {
	scrollInit();
	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;
}
