move cursor to end in share input

public/src/utils.js

@@ -242,6 +242,21 @@
 				});
 			};
 
+			//http://stackoverflow.com/questions/511088/use-javascript-to-place-cursor-at-end-of-text-in-text-input-element
+			$.fn.putCursorAtEnd = function() {
+				return this.each(function() {
+					$(this).focus();
+
+					if (this.setSelectionRange) {
+						var len = $(this).val().length * 2;
+						this.setSelectionRange(len, len);
+					} else {
+						$(this).val($(this).val());
+					}
+					this.scrollTop = 999999;
+				});
+			};
+
 		})(jQuery);
 	}