function?startMove(obj,?json,?fn)?{
	var?flag?=?true;?//標志所有運動是否到達目標值
	clearInterval(obj.timer);
	obj.timer?=?setInterval(function()?{
		for?(var?attr?in?json)?{
			var?curr?=?0;
			//判斷是否為透明度
			if?(attr?==?'opacity')?{
				curr?=?Math.round(parseFloat(getStyle(obj,?attr))?*?100);
			}?else?{
				curr?=?parseInt(getStyle(obj,?attr));
			}
			//移動速度處理
			var?speed?=?0;
			speed?=?(json[attr]?-?curr)?/?10;
			speed?=?speed?>?0???Math.ceil(speed)?:?Math.floor(speed);
			if?(curr?!=?json[attr])?{
				flag?=?false;
			}
			if?(attr?==?'opacity')?{
				obj.style.filter?=?'alpha(opacity:'?+?(curr?+?speed)?+?")";
				obj.style.opacity?=?(curr?+?speed)?/?100;
			}?else?{
				obj.style[attr]?=?curr?+?speed?+?'px';
			}

		}
		if?(flag)?{
			clearInterval(obj.timer);
			if?(fn)?{
				fu();
			}
		}


	},?30);
}
//取樣式
function?getStyle(obj,?attr)?{
	if?(obj.currentStyle)?{?//IE取樣式
		return?obj.currentStyle[attr];
	}?else?{
		return?getComputedStyle(obj,?false)[attr];
	}

}