/**********************************************************************************   
ScrollText 
*   Copyright (C) 2001 Thomas Brattli
*   This script was released at DHTMLCentral.com
*   Visit for more great scripts!
*   This may be used and changed freely as long as this msg is intact!
*   We will also appreciate any links you could give us.
*
*   Made by Thomas Brattli
*
*   Script date: 09/23/2001 (keep this date to check versions) 
*********************************************************************************/
function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=lib_bwcheck()
//If you want it to move faster you can set this lower, it's the timeout:
var speed = 30

//Sets variables to keep track of what's happening
var loop, timer

//Object constructor
function makeObj(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.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight;
	this.up=goUp;this.down=goDown;
	this.moveIt=moveIt; this.x=0; this.y=0;
	this.obj = obj + "Object";
	eval(this.obj + "=this");
	return this;
}

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";
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)
{
	this.moveIt(0,this.y-move);
	if (loop) setTimeout(this.obj+".down("+move+")",speed);
}

//Makes the object go down
function goUp(move)
{
	if (this.y<0) {
		this.moveIt(0,this.y-move);
		if (loop) setTimeout(this.obj+".up("+move+")",speed);
	}
}

//Calls the scrolling functions. Also checks whether the page is loaded or not.
function scroll(speed)
{
	if (scrolltextLoaded){
		loop = true;
		if (speed>0)
			oScroll.down(speed)
		else
			oScroll.up(speed)
	}
}

//Stops the scrolling (called on mouseout)
function noScroll()
{
	loop = false;
	if (timer) clearTimeout(timer);
}

//Makes the object
var scrolltextLoaded = false;
function scrolltextInit()
{
	oCont = new makeObj('divScrollTextCont1');
	oScroll = new makeObj('divText1','divScrollTextCont1');
	oScroll.moveIt(0,0);
	oCont.css.visibility = "visible";
	scrolltextLoaded = true;
}

