/********************************************************************************
Copyright (C) 1999 Thomas Brattli
This script is made by and copyrighted to Thomas Brattli at www.bratta.com
Visit for more great scripts. This may be used freely as long as this msg is intact!
I will also appriciate any links you could give me.
********************************************************************************/
//Default browsercheck, added to all scripts!
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;
        //added
        this.ie4mac=this.ie4 && navigator.userAgent.indexOf("Mac")>-1
        this.ie5mac=this.ie5 && navigator.userAgent.indexOf("Mac")>-1
        this.ie55=(this.ver.indexOf("MSIE 5.5")>-1 && this.dom)?1:0; 
        this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5 || this.ie5mac)
        return this
}
bw=new checkBrowser()

//If you want it to move faster you can set this lower:
var speedtxt=20

//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; this.y;
    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
        this.css.top=this.y
}

//Makes the object go up
function goDown(move){
        if(this.y>-this.scrollHeight+oCont.clipHeight){
                this.moveIt(0,this.y-move)
                        if(loop) setTimeout(this.obj+".down("+move+")",speedtxt)
        }
}
//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+")",speedtxt)
        }
}

//Calls the scrolling functions. Also checks whether the page is loaded or not.
function scroll(speedtxt){
        if(loaded){
                loop=true;
                if(speedtxt>0) oScroll.down(speedtxt)
                else oScroll.up(speedtxt)
        }
}
function scrollImg(speedtxt){
        if(loaded){
                loop=true;
                if(speedtxt>0) oScrollImg.down(speedtxt)
                else oScrollImg.up(speedtxt)
        }
}

//Stops the scrolling (called on mouseout)
function noScroll(){
        loop=false
        if(timer) clearTimeout(timer)
}
//Makes the object
var loaded;
function scrollInit(){
        oCont=new makeObj('divCont')
        oScroll=new makeObj('divText','divCont')
        oScroll.moveIt(0,0)
		oCont.css.visibility='visible'
		
		oContImg=new makeObj('divContImg')
		oScrollImg=new makeObj('divImg','divContImg')
        oScrollImg.moveIt(0,0)
        oContImg.css.visibility='visible'
	
		loaded=true;
}
//Call the init on page load
onload=scrollInit;