var eventTimer;	
var restScroll=0;

function Scroll(base,move){

	var obj_base  = getElemPosition(base);

	var elem_move = document.getElementById(move);
	var obj_move  = getElemPosition(elem_move);

	restScroll = obj_move.y-obj_base.y;
	eventTimer = setInterval(setScrollPosition,10);
}

function setScrollPosition() {

	var moveValue=0;

	if(Math.abs(restScroll)>80){
		moveValue = (restScroll>0)?20:-20;
	}else{
		moveValue = Math.round(restScroll/4);
	}
	parent.scrollBy(0,moveValue);

	restScroll = (restScroll>0)?restScroll-moveValue:restScroll-moveValue;

	if(moveValue==0){
		clearInterval(eventTimer);
		restScroll=0;
	}
}

function getElemPosition(elem) {
	var obj = new Object();
	obj.x = elem.offsetLeft;
	obj.y = elem.offsetTop;

	while(elem.offsetParent) {
		elem = elem.offsetParent;
		obj.x += elem.offsetLeft;
		obj.y += elem.offsetTop;
	}
	return obj;
}