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;
			}