How to Check File Size before Upload or Get Image Size before Upload using jQuery

How to  Check File Size before Upload or Get Image Size before Upload using jQuery

$("#<%=upload1.ClientID %>").fileUpload({  'uploader': 'scripts/uploader.swf',  'cancelImg': 'cancel.png',  'buttonText': 'Select Files',  'script': 'Handler.ashx',  'folder': 'images',  'fileDesc': 'Image Files',  'fileExt': '*.jpg;*.jpeg;*.gif;*.png', 'multi': true,  'auto': true,  'sizeLimit': (200 * 1024),  //200 KB onError: function (a, b, c, d)  {  if (d.type === "File Size")  {  $("#lblmsg").html('File Size Should not exceed 200 KB');  }  }, onComplete: function ()  {  $("#lblmsg").html('');  }  });