Quality parameter does not affect pictures chosen from the gallery.

if (options[0]["selector"] == 1)
{ 
	var myobj ={
		quality: 2, 
		destinationType: navigator.camera.DestinationType.DATA_URL ,
		sourceType: navigator.camera.PictureSourceType.PHOTOLIBRARY 
	}
			
}
else if (options[0]["selector"] == 2)
{
	var myobj ={
		quality: 2, 
		destinationType: navigator.camera.DestinationType.FILE_URI,
		sourceType: navigator.camera.PictureSourceType.CAMERA
	}
}
			
navigator.camera.getPicture(function (fileURI) {
	var win = function(r) {
	 	alert("win");
	}
					
	var fail = function(error) {
					
		alert("An error has occurred: Code = " + error.code);
	}
	
	var options = new FileUploadOptions();
	options.fileKey="file";
	options.fileName=fileURI.substr(fileURI.lastIndexOf('/')+1);
	options.mimeType="text/plain";

	var params = new Object();
	params.xx= "xx";
				
	options.params = params;
			
	var ft = new FileTransfer();
	ft.upload(fileURI, "http://xx.xx.com/service/", win, fail, options);

			
	},
	function(message) {
		alert('get picture failed'); 
					
	}, myobj);