How can I combine two radio buttons to show the same element

How can I combine two radio buttons to show the same element

References

Reference NO 1

http://stackoverflow.com/questions/13650978/how-can-i-combine-two-radio-buttons-to-show-the-same-element-if-they-are-set-to

Reference NO 2

http://www.cs.tut.fi/~jkorpela/forms/choices.html

Reference NO 3

http://www.coffeecup.com/forums/web-form-builder/radio-buttons-and-text-field-in-the-same-element/

Reference NO 4

http://contactform7.com/checkboxes-radio-buttons-and-menus/

Reference NO 5

http://javascript.about.com/library/blmulti1.htm

Reference NO 6

http://help.dottoro.com/ljwotteu.php

Reference NO 7

http://www.webdeveloper.com/forum/showthread.php?273523-Help-with-list-of-radio-buttons-w-last-one-including-an-input-field

Reference NO 8

http://technology.amis.nl/2005/07/24/new-html-form-element-radio-select-combining-radio-button-and-select-items/