upload_picture_from_gallery.js

uploadPicture = function(){
			navigator.camera.getPicture(onSuccess, onFail, {
				  quality: 100,
			      destinationType: Camera.DestinationType.FILE_URI,
			      sourceType: 2, // 1 for camera, 2 for gallery
			      allowEdit: true, // Can edit the pictures and lets the user pick gallery app
				  mediaType: Camera.MediaType.PICTURE,
			      encodingType: Camera.EncodingType.JPEG,
			      popoverOptions: CameraPopoverOptions,
				  // targetWidth: 500,
			   //    targetHeight: 500,
			      saveToPhotoAlbum: false,
				  correctOrientation: true // false: switches the height and width }); 

			function onSuccess(imageURI) {
			    var image = document.getElementById('upload-img');
			    image.src = imageURI;
			}

			function onFail(message) {
			    alert('Failed because: ' + message);
			}
		};