<div class="uploadPic clearBox">

    <ul>

        <li>

            <a href="javascript:void(0)" class="add001"><i class="iconfont"></i></a>

            <div class="moxie-shim moxie-shim-html5 upImgBox">

                <a href="javascript:void(0)" class="del002 iconfont delImg" style="display:none"><span></span></a>

                <input id="fileUpload0" type="file" accept="image/png,image/gif,image/jpeg,image/bmp">

            </div>

        </li>

    </ul>

<div>

$('#fileUpload0').change(function() {

    uploadImg(this);

});

function uploadImg(element){

    var file = element.files[0];

    var $elemt=$(element);
    var $parent = $elemt.parent();

    var imgFileSize = file.size;

    var loadingImgSrc='/images/global/loading.gif';

    if(imgFileSize > 10*1024*1024) {

        alert(ci18n.imgTooLarge);

    } else {

    var uploadComplete=function(evt){

        var resJson=JSON.parse(evt.target.responseText);

        if(resJson.fileurl){

            $parent.find('img').attr('src',resJson.fileurl);

            uploadImgUrls['a'+$elemt.parent().parent().index()]=resJson.fileurl;

            $parent.find('.delImg').show();

            $parent.parent('li').next().show();

        }

    };

    var uploadFailed=function(evt){

        alert('Net error.');

    };

    var fd = new FormData();

    fd.append('upfile',file);

    var xhr = new XMLHttpRequest();

    xhr.addEventListener('load', uploadComplete, false);

    xhr.addEventListener('error', uploadFailed, false);

    xhr.open('POST', '/activity/group-upload');

    $parent.append('<img src="'+loadingImgSrc+'">');

    xhr.send(fd);

    }

    element.value = '';

}

$('.delImg').click(function() {

    var $self=$(this);
    var $parent = $self.parent();

    delete uploadImgUrls['a'+$self.parent().parent().index()];

    $parent.find('img').remove('');

    $self.hide();

    $parent.parent('li').next().hide();

});