代码片段：

function run(){
if(!open){
<!– 指定函数出现的速度，以毫秒计算–>
timer=setInterval(change,20);
//btn.removeClass(\’start\’).addClass(\’stop\’).text(\’停止\’);
open = true;
}else{
var height = $(imageName[nameNum]).css(\”height\”);
var width = $(imageName[nameNum]).css(\”width\”);

var name = $(\”#image\”).attr(\”src\”);
var imgClone = $(\”#image\”).clone(true).css(\”opacity\”,\’0.7\’);
alldata.remove(name);
imgClone.css({ \”position\”: \”absolute\”, \”top\”: \”50px\”, \”left\”: \”50px\”});
$(\”#imgDiv\”).parent().append(imgClone);
imgClone.animate({height:\”150px\”,width:\”150px\”},400);
imgClone.animate({left:$(imageName[nameNum]).offset().left,top:$(imageName[nameNum]).offset().top},600);
imgClone.animate({height:height,width:width},350,function(){
$(imageName[nameNum]).attr(\”src\”,name);
nameNum = nameNum – 1;
});
clearInterval(timer);
//btn.removeClass(\’stop\’).addClass(\’start\’).text(\’开始抽奖\’);
open = false;
}
}