
function lib_bwcheck(){ 

	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=new lib_bwcheck()

var speed = 30

var loop, timer

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.scrollWidth=bw.ns4?this.css.document.width:this.el.offsetWidth

	this.clipWidth=bw.ns4?this.css.clip.width:this.el.offsetWidth

	this.left=goLeft;this.right=goRight;
	

	this.moveIt=moveIt; this.x=0; this.y=0;

    this.obj = obj + "Object"

    eval(this.obj + "=this")

    return this
}




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
}





function goDown(move){

	if (this.y>-this.scrollHeight+oCont.clipHeight){

		this.moveIt(0,this.y-move)

			if (loop) setTimeout(this.obj+".down("+move+")",speed)
	}
}



function goUp(move){

	if (this.y<0){

		this.moveIt(0,this.y-move)

		if (loop) setTimeout(this.obj+".up("+move+")",speed)
	}
}



function goLeft(move){

	if (this.x>-this.scrollWidth+oCont.clipWidth){

		this.moveIt(this.x+move,0)

			if (loop) setTimeout(this.obj+".left("+move+")",speed)
	}
}



function goRight(move){

	if (this.x<0){

		this.moveIt(this.x+move,0)

		if (loop) setTimeout(this.obj+".right("+move+")",speed)
	}
}


function scroll(speed){

	if (scrolltextLoaded){

		loop = true;

		if (speed>0) oScroll.down(speed)

		else oScroll.up(speed)
	}
}

function scrollH(speed){

	if (scrolltextLoaded){

		loop = true;

		if (speed>0) oScroll.right(speed)

		else oScroll.left(speed)
	}
}


function noScroll(){

	loop = false

	if (timer) clearTimeout(timer)
}


var scrolltextLoaded = false

function scrolltextInit(){

	oCont = new makeObj('divScrollTextCont')

	oScroll = new makeObj('divText','divScrollTextCont')

	oScroll.moveIt(0,0)

	oCont.css.visibility = "visible"

	scrolltextLoaded = true
}



if (bw.bw) onload = scrolltextInit



