Scroller = {
	speed:1,
	gy: function (d) {
		gy = d.offsetTop
		if (d.offsetParent) while (d = d.offsetParent) gy += d.offsetTop
		return gy
	},
	scrollTop: function (){
		body=document.body
	    d=document.documentElement
	    if (body && body.scrollTop) return body.scrollTop
	    if (d && d.scrollTop) return d.scrollTop
	    if (window.pageYOffset) return window.pageYOffset
	    return 0
	},
	end: function(e){
		if (window.event) {
			window.event.cancelBubble = true
			window.event.returnValue = false
      		return;
    	}
	    if (e.preventDefault && e.stopPropagation) {
	      e.preventDefault()
	      e.stopPropagation()
	    }
	},
	scroll: function(d){
		i = window.innerHeight || document.documentElement.clientHeight;
		h=document.body.scrollHeight;
		a = Scroller.scrollTop()
		if(d>a)
			//if(h-d>i)
				a+=Math.ceil((d-a)/Scroller.speed)
			//else
			//	a+=Math.ceil((d-a-(h-d))/Scroller.speed)
		else
			a = a+(d-a)/Scroller.speed;
		window.scrollTo(0,a)
	  	if(a==d || Scroller.offsetTop==a)clearInterval(Scroller.interval)
	  	Scroller.offsetTop=a
	},
	moveScroll: function(div)
	{
		Scroller.end(this);
		clearInterval(Scroller.interval);
		Scroller.interval=setInterval('Scroller.scroll('+Scroller.gy(div)+')',10);
	}
}