jCrop center selection

gistfile1.txt

  	var x = 50;
		var y = 50;
		var x1 = jQuery('#cropper img').width() - 100;
		var y1 = jQuery('#cropper img').height() - 100; 

		jQuery('#cropper img').Jcrop({
			aspectRatio: 1,
			setSelect: [ x, y, x1, y1 ]
		});