Javascript: Hiding Button By ID

from http://www.coderanch.com/t/121579/HTML-CSS-JavaScript/hide-button-javascript

how to hide button using javascript
hani Ibrahim Ranch Hand Joined: Sep 06, 2006 Posts: 171	posted Tuesday, February 19, 2008 23:34
	Dear all, i have 3 buttons X,Y,Z what i want: 1) initially to hide Y,Z and show X 2)if i press on Y i hideX and Z 3) if i press on Z show just X how is that please
Daesung Park Ranch Hand Joined: Mar 22, 2007 Posts: 68	posted Wednesday, February 20, 2008 07:02
	You can set "visibility" property of style. view plaincopy to clipboardprint?  document.getElementById('x').style.visibility='hidden'; // hide   document.getElementById('x').style.visibility='visible'; // show