function verifyCompatibleBrowser(){
    this.ver=navigator.appVersion
    this.dom=document.getElementById?1:0
    this.ie5=(this.ver.indexOf("Gecko")>-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;
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
    return this
}

bw=new verifyCompatibleBrowser()

var speed=20
var scrollheight=89

var loop, timer, scroll
scroll=0


function ConstructObject(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-15
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight
    this.up=MoveAreaUp;this.down=MoveAreaDown;
    this.MoveArea=MoveArea; this.x; this.y;
    this.obj = obj + "Object"
    eval(this.obj + "=this")
    return this
}

function MoveArea(x,y){
    this.x=x;this.y=y
    this.css.left=this.x+"px";
    this.css.top=this.y+"px";
}

var lines=0;
var countloops=0;

function MoveAreaUp(move){
	if(this.y<0){
    this.MoveArea(0,this.y-move)
    if(loop) timer=setTimeout(this.obj+".up("+move+")",speed)
	}
}

function MoveAreaDown(move){
        if(this.y>-this.scrollHeight+objContainer.clipHeight)
        {
                this.MoveArea(0,this.y-move)
                if(loop) timer=setTimeout(this.obj+".down("+move+")",speed)
                lines++;
                if (lines>scrollheight) PauseScroll(5000, move);
	}
	else
	{
//		alert(objContainer.clipHeight+" "+this.y+" "+this.scrollHeight);
	}
}


function PerformScroll(speed){
        if (speed > 0) speed = 1;
        clearTimeout(scroll);
	if(initialised){
                loop=true;
		if(speed>0) objScroller.down(speed)
		else objScroller.up(speed)
	}
}

function PauseScroll(pause, move){
    loop=false
    if(timer)
    {
        clearTimeout(timer)
        lines=0;
        countloops++;
        if (countloops<4)
        {
                scroll=window.setTimeout("PerformScroll(2)",pause);
        }
        else
        {
                countloops=0;
                setTimeout("objScroller.up(-4*scrollheight-4)",10);
                scroll=setTimeout("PerformScroll(2)",4000);
        }
    }
}

var initialised;

function InitialiseScrollableArea(lname){
    objContainer=new ConstructObject('divNewsTickerContainer')
    objScroller=new ConstructObject('divNewsTickerContent','divNewsTickerContainer')
    objScroller.MoveArea(0,0)
    objContainer.css.visibility='visible'


    initialised=true;
}