function startMove(obj,json,fn){

?? ??? ?clearInterval(obj.timer);
??????? obj.timer=setInterval(function(){
??????????? var flag=true;
??????? for(var attr in json){?????????? ?
??????? var icur=0;
??????? if (attr=="opacity") {
??????????? icur=Math.round(parseFloat(getStyle(obj,attr))*100);
??????? }
??????? else{
?????? ??? ?icur=parseInt(getStyle(obj,attr));
??????? }
?????????? var speed=(json[attr]-icur)/8;
?????????????? speed=speed>0?Math.ceil(speed):Math.floor(speed);????? ??? ?????? ??? ?
?????? ??? ?if(icur!=json[attr]){
??????????????? flag=false;
?????? ??? ?
????????? ??? ??? ?if(attr=="opacity"){
?????????????????? obj.style.filter="Alpha(opacity="+(icur+speed)+")";
?????? ??? ??? ??? obj.style.opacity=(icur+speed)/100;? ?
?????? ??? ??? ???? }
?????? ??? ??? ?else{
?????? ??? ??? ?obj.style[attr]=icur+speed+"px";
?????? ??? ?? }
??????? if(flag){
??????????? clearInterval(obj.timer);
??????????? if(fn){
??????????????? fn();
??????????? }
??????? }
????? }
??????? }
????? },30)
??? }

??????? //獲取行內元素
??? function getStyle(obj,attr){
??????? //針對IE瀏覽器
??????? if(obj.currentStyle){
??????????? return obj.currentStyle[attr];
??????? }
??????? //針對Firefox瀏覽器
??????? else{
??????????? return getComputedStyle(obj,false)[attr];
??????? }
??? }