function initRollovers() {
        if (!document.getElementById) return

        var aPreLoad = new Array();
        var sTempSrc;
        var aImages = document.getElementsByTagName('img');

        for (var i = 0; i < aImages.length; i++) {
                if (aImages[i].className == 'imgOver') {
                        var src = aImages[i].getAttribute('src');
                        var ftype = src.substring(src.lastIndexOf('.'), src.length);
                        var hsrc = src.replace(ftype, '-over'+ftype);

                        aImages[i].setAttribute('hsrc', hsrc);

                        aPreLoad[i] = new Image();
                        aPreLoad[i].src = hsrc;

                        aImages[i].onmouseover = function() {
                                sTempSrc = this.getAttribute('src');
                                this.setAttribute('src', this.getAttribute('hsrc'));
                        }

                        aImages[i].onmouseout = function() {
                                if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('.o'+ftype, ftype);
                                this.setAttribute('src', sTempSrc);
                        }
                }
        }
}

function verifyCompatibleBrowser(){
    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;
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
    return this
}
bw=new verifyCompatibleBrowser()

var speed=50

var loop, timer

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
    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
    this.css.top=this.y
}

function MoveAreaDown(move){
        if(this.y>-this.scrollHeight+objContainer.clipHeight){
    this.MoveArea(0,this.y-move)
    if(loop) setTimeout(this.obj+".down("+move+")",speed)
        }
}
function MoveAreaUp(move){
        if(this.y<0){
    this.MoveArea(0,this.y-move)
    if(loop) setTimeout(this.obj+".up("+move+")",speed)
        }
}

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

function CeaseScroll(){
    loop=false
    if(timer) clearTimeout(timer)
}
var initialised;
function InitialiseScrollableArea(){
    objContainer=new ConstructObject('divContainer')
    objScroller=new ConstructObject('divContent','divContainer')
    objScroller.MoveArea(0,0)
    objContainer.css.visibility='visible'
    initialised=true;
}