[Jquery] FB上傳大頭照的裁減選圖

imgAreaSelect
教學 : http://kevintsengtw.blogspot.tw/2012/01/aspnet-mvc-jquery-imageareaselect.html

       function ImageArea(){
            $('img#imgCut').imgAreaSelect({
                handles: true, //是否出現小方塊 易於拖拉
                aspectRatio: "1:1", //比例
                x1: 0, y1: 0, x2: 100, y2: 100, //預設選取區塊
                onSelectChange: preview //及時預覽
                //onSelectEnd: someFunction
            });
        };