diff --git a/blur.js b/blur.js
index 395061f..4cd4253 100644
--- a/blur.js
+++ b/blur.js
@@ -11,8 +11,8 @@
 			radius: 5,
 			overlay: '',
 			offset: {
-				x: 0,
-				y: 0
+				x: 0, //can also be left/right
+				y: 0 //can also be top/bottom
 			},
 			optClass: '',
 			cache: false,
@@ -224,7 +224,20 @@
 					var blurredData = tempImg.src;
 				}
 				var attachment = $source.css('backgroundAttachment');
-				var position = (attachment == 'fixed') ? '' : '-' + (($glue.offset().left) - ($source.offset().left) - (options.offset.x)) + 'px -' + (($glue.offset().top) - ($source.offset().top) - (options.offset.y)) + 'px';
+				var position = '';
+		                if ( !isNaN(options.offset.x) && !isNaN(options.offset.y) ) {
+		                    position = (attachment == 'fixed') ? '' : '-' + (($glue.offset().left) - ($source.offset().left) - (options.offset.x)) + 'px -' + (($glue.offset().top) - ($source.offset().top) - (options.offset.y)) + 'px';
+		                } else if( isNaN(options.offset.x) && isNaN(options.offset.y) ) {
+		                    if (( options.offset.y.toLowerCase() === 'top' || options.offset.y.toLowerCase() === 'bottom') &&( options.offset.x.toLowerCase() === 'left' || options.offset.x.toLowerCase() === 'right')){
+		                        position = (attachment == 'fixed') ? '' : options.offset.y + ' ' + options.offset.x;
+		                    }
+		                } else if ( isNaN(options.offset.y) ) {
+		                    if ( ( options.offset.y.toLowerCase() === 'top' || options.offset.y.toLowerCase() === 'bottom') ) {
+		                        position = (attachment == 'fixed') ? '' : options.offset.y + ' -' + (($glue.offset().top) - ($source.offset().top) - (options.offset.y)) + 'px';
+		                    }
+		                } else if ( options.offset.x.toLowerCase() === 'left' || options.offset.x.toLowerCase() === 'right'){
+		                    position = (attachment == 'fixed') ? '' : ' -' + (($glue.offset().left) - ($source.offset().left) - (options.offset.x)) + 'px ' + options.offset.x.toLowerCase ;
+		                }
 				$glue.css({
 					'background-image': 'url("' + blurredData + '")',
 					'background-repeat': $source.css('backgroundRepeat'),
@@ -280,4 +293,4 @@
 			}
 		});
 	};
-})(jQuery);
\ No newline at end of file
+})(jQuery);