<div class="warp" id="warp"> <img src="http://images.cnblogs.com/cnblogs_com/zhangle/252347/t_pic1.bmp" alt="" class="imgBig" /> <img src="http://images.cnblogs.com/cnblogs_com/zhangle/252347/t_pic2.bmp" alt="" class="imgLittle" /> <img src="http://images.cnblogs.com/cnblogs_com/zhangle/252347/t_pic3.bmp" alt="" class="imgLittle" /> <img src="http://images.cnblogs.com/cnblogs_com/zhangle/252347/t_pic4.bmp" alt="" class="imgLittle" /> </div>

$(document).ready(function(){ var $warp = $("#warp"); $warp.IsRunning = false; var seconds = 500; $warp.children("img").click(function(){ if($warp.IsRunning){return;} $warp.IsRunning = true; var $imgs = $("#warp").children("img"); $imgs.eq(2).css("marginTop","63px").animate({marginTop:"0px"},{duration:seconds}); $imgs.eq(0).css({position:"absolute",opacity:"0.5"}).animate({width:"108px", height:"57px",left:"372px",top:"126px",opacity:"1"},{duration:seconds}); //$imgs.eq(1).css({position:"absolute",left:"372px",top:"6px",opacity:"0.2"}); $imgs.eq(1).css({position:"absolute",left:"372px",top:"6px",opacity:"0.2",clear:"none"}).animate({width:"360px", height:"190px",left:"-9px",top:"-5px",opacity:"1"},{duration:seconds,complete:function(){ $imgs.eq(0).appendTo($("#warp")); $imgs.eq(0).removeAttr("style").removeClass("imgBig").addClass("imgLittle"); $imgs.eq(1).removeAttr("style").removeClass("imgLittle").addClass("imgBig"); $warp.IsRunning = false; }}); }); });

.warp{width:487px; height:194px; overflow:hidden;border:solid 1px #ccc;position:relative; top:0px; left:0px; background-color:#fafafa} .warp img{border-width:0px;cursor:pointer;position:relative; top:0px; left:0px} .imgBig{float:left; width:360px; height:190px;padding:2px;} .imgLittle{float:right; width:108px; height:57px;padding:6px 5px 0 10px;clear:right}