new AjaxUpload($('#addImage'), {
                action: 'SaveDataBank.aspx',
                name: 'uploadimage',
                dataType: 'json',
                params: { clientid: GetSelectedClient() }
                onSubmit: function (file, ext) {
                },
                onComplete: function (file, response) {
                }
            });

params: { clientid: GetSelectedClient() },

$('#addImage').click(function(){
    // code here
});

new AjaxUpload($('#addImage'), {
                action: 'SaveDataBank.aspx',
                name: 'uploadimage',
                dataType: 'json'
            });

new AjaxUpload($('#addImage'), {
                action: 'SaveDataBank.aspx',
                name: 'uploadimage',
                dataType: 'json'
            });

$('input[type="file"]').live('click', function(e){
    // code here
});

new AjaxUpload($('#addImage'), {
            action: 'SaveDataBank.aspx',
            name: 'uploadimage',
            dataType: 'json',
            onSubmit: function (file, ext) {
                this.setData({clientid: GetSelectedClient()});
            }
        });

$('#addImage').mousedown(function(){
    //code here
});

$('#addImage').bind('mousedown',function(){
    //code here
});