//實際圖片的寬高
            var hei = $("#curtanDiv")[0].height;
            var wid = $("#curtanDiv")[0].width;
            //容器的寬高
            var czhei = parseInt($("#BankChange").css('height')) - 35;
            var czwid = parseInt($("#BankChange").css('width'));
            if(wid > czwid){//
 
當寬超出
                if(hei > czhei){//寬和高都超出
                    if(wid > hei){//寬>高，橫版
                        $("#curtanDiv").css({"width":czwid+"px","height":"auto"})
                    }else{//高>寬，豎版
                        //豎版圖，當修改高度後寬度仍超出
                        var temPic = $("#curtanDiv").css({"width":"auto","height":czhei+"px"});
                        
 
var temwid = $("#curtanDiv")[0].width;
                        if(temwid > czwid){
                            $("#curtanDiv").css({"width":czwid+"px","height":"auto"})
                        }else{
                            $("#curtanDiv").css({"width":"auto","height":czhei+"px"});
                        }
                    }
                }
 
else{//只有寬超出
                    $("#curtanDiv").css({"width":czwid+"px","height":"auto"})
                }
            }else{//寬不超出
                if(hei > czhei){//只有高超出
                    $("#curtanDiv").css({"width":"auto","height":czhei+"px"})
                }else{//寬和高都沒超出
                    // if(wid > hei){//寬>高，橫版
                    //     $("#img2").css({"width":"802px","height":"auto"})
                    // }else{//高>寬，豎版
                    //     $("#img2").css({"width":"auto","height":"502px"})
                    // }
                }
            }