JavaScript - Is It Possible To Create A Function That Hides Two Divs?

//Service hover//
$('#design1').mouseenter(function (){
	$('#design1servicetext').css('background-position', '0 -91px')  
	$('#design1servicebutton').css('background-position', '0 -33px')
	})
			   .mouseleave(function (){
	$('#design1servicetext').css('background-position', '0 0px')
	$('#design1servicebutton').css('background-position', '0 0px')});
//Service hover end//

animatebg('#design1','#design1servicetext','#design1servicebutton');

$(document).ready(function() {     
  $('.vote').click(function() {
    $('img', this).attr('src', function(i, oldSrc) {
        return oldSrc == 'voteup.png' ? 'votedown.png' : 'voteup.png';
    });
    $('.voteswitch').toggle(400);
    return false;
  });
});

    function showMessage(which) {
if (which == 1) {
document.getElementById("voteup").style.display = "block";
document.getElementById("votedown").style.display = "none";
document.getElementById("notrated").style.display = "none";
}
else {
document.getElementById("voteup").style.display = "none";
document.getElementById("votedown").style.display = "block";
document.getElementById("notrated").style.display = "none";    
}
}

<!-- Voting-->
<div class="votesystem">

<input name="vote" class="voteup"  type="radio" value="Yes" onclick = "showMessage(1)"/>
 <label class="voteup-label" for="voteup"></label>   
    
<!--Vote Number--> 
<div class="votenumber">

<div id="voteup" style="display:none">100<span class="percentagesign">%</span></div> 
    
<div id="notrated">Not Rated</div>
  
<div id="votedown" style="display:none">0<span class="percentagesign">%</span></div>

</div><!--End Votenumber--> 

<input name="vote" class="votedown" type="radio" value="No" onclick = "showMessage(2)"/>
<label for="votedown"></label>
<p class="votecounter">0 Votes</p>

</div><!--End Voting-->

.votesystem { display:inline-block; list-style-type: none; padding-top:3px; border-left:#000 1px solid; border-bottom:#000 1px solid;width:85px; text-align:center; height:107px; float:right; position:relative;  }


input.voteup a {
    background-image: url('http://janosgyerik.github.io/jquery-upvote/lib/images/sprites-programmers.png?v=1');
    background-repeat: no-repeat;
    overflow: hidden;
    display: block;
    margin: 0 auto;
    width: 41px;
    height: 25px;


}

 input.voteup[type="radio"]{
    opacity: 0; right:33px; margin-top:7px;
    position:absolute; cursor:pointer;
}
 input.voteup[type="radio"]+label{
    background:: url('http://janosgyerik.github.io/jquery-upvote/lib/images/sprites-programmers.png?v=1'); background-position: 0px -230px; padding-left:40px; padding-bottom:10px; 
}
 input.voteup[type="radio"]:checked+label{
    background: url('http://janosgyerik.github.io/jquery-upvote/lib/images/sprites-programmers.png?v=1'); background-position: 0px -230px;
}

 input.voteup[type="radio"]:hover+label{
    background: url('http://janosgyerik.github.io/jquery-upvote/lib/images/sprites-programmers.png?v=1'); padding-left:40px; padding-bottom:10px; background-position: 0px -230px; 
}

 input.votedown[type="radio"]{
    opacity: 0; right:33px; margin-top:-5px;
    position:absolute; cursor:pointer;
}
 input.votedown[type="radio"]+label{
    background: url('http://janosgyerik.github.io/jquery-upvote/lib/images/sprites-programmers.png?v=1'); background-position: 0px -300px; padding-left:40px; padding-top:9px; 
}
 input.votedown[type="radio"]:checked+label{
    background: url('http://janosgyerik.github.io/jquery-upvote/lib/images/sprites-programmers.png?v=1'); background-position: 0px -330px; padding-left:40px; padding-top:9px;
}

 input.votedown[type="radio"]:hover+label{
    background: url('http://janosgyerik.github.io/jquery-upvote/lib/images/sprites-programmers.png?v=1'); padding-left:40px;  padding-top:9px; background-position: 0px -330px;
}


.votenumber { color:#666; font-size:22px; margin:0; font-weight:bold; font-family:Arial, Helvetica, sans-serif; line-height:42px; padding-top:5px; padding-bottom:2px;  }

#notrated { font-size:15px; color:#999; }

#voteup { margin-left:-2px;}

#votedown { margin-left:-2px;}

.percentagesign { font-size:15px; margin-top:-3px; position:absolute; }

.contentarea { width:100%; height:100%; background-color:#CF3;  display:block; }

.votecounter { position:relative; top:8px; color:#000; font-family:Tahoma, Geneva, sans-serif; font-size:12px; }

function swapvideo(w,h,url) {
	document.getElementById('video_pholder').style.display='none';
	document.getElementById('video_code').innerHTML="<iframe src='"+url+"' width='"+w+"' height='"+h+"' frameborder='0' webkitAllowFullScreen allowFullScreen></iframe>";
	document.getElementById('video_code').style.display='block';
}

<div id="video_pholder"><a href="" onclick="swapvideo('700','394','http://player.vimeo.com/video/30620364?title=0&amp;byline=0&amp;portrait=0&amp;color=FFFFFF&amp;autoplay=1'); return false;">
	<img src="image.jpg" width="700" height="393" /></a>
</div>
<div id="video_code" style="display:none;"></div>

		function handleFileSelect(e){
			var files = e.target.files;
			var output = [];
			for(var i=0,f;f=files[i];i++){
				if(f.type.match('image.*')){
					var reader = new FileReader();
					
					reader.onload = (function(theFile){
						return function(e){
							var span = document.createElement('span');
							span.innerHTML = ['<img class="thumb" src="',e.target.result,'" title="',theFile.nbame,'" />'].join('');
							document.getElementById('list').insertBefore(span,null);
						};
					})(f);
					
					reader.readAsDataURL(f);
				}
			}
			document.getElementById('list').innerHTML = '<ul>'+output.join('')+'</ul>';
		}
		document.getElementById('files').addEventListener('change',handleFileSelect,false);

class.event = (function(arguments){
     //stuff you put in a function...
})(more Arguments?);

var a = 'A';
var b = 'B';

test = (function(t){
     alert(t);
     alert(b);
})(b);

test(a);

	$( "li.open" ).click(function() {
	$( this ).toggleClass( "closed" );
	});
	
	$( "li.closed" ).click(function() {
	$( this ).toggleClass( "open" );
	});

<script type="text/javascript">
  function disable(element)
  {
    var input = document.getElementById(element).getElementsByTagName("input");
    for(var i = 0; i < input.length; i++)
    {
      input[i].setAttribute("disabled","true");
    }
  }
</script>

<script type="text/javascript">
  function enable(element)
  {
    var input = document.getElementById(element).getElementsByTagName("input");
    for(var i = 0; i < input.length; i++)
    {
      input[i].setAttribute("disabled","false");
    }
  }
</script>

<form>
  <input type="radio" name="test" onclick="disable('D1')" /> disable<br/>
  <input type="radio" name="test" onclick="enable('D1')" /> enable<br/>
  <fieldset id="D1">
    <input class="" type="text" value="test value1" /><input class="" type="text" value="test value2" /><br/>
    <input class="" type="text" value="test value3" /><input class="" type="text" value="test value4" /><br/>
    <input class="" type="text" value="test value5" /><input class="" type="text" value="test value6" /><br/>
  </fieldset>
</form>

<form>
  <input type="radio" name="test" onclick="disable('D1')" />
  <fieldset id="D1">
    <input class="" type="text" value="test value1" /><input class="" type="text" value="test value2" />
  </fieldset>
  <input type="radio" name="test" onclick="disable('D2')" />
  <fieldset id="D2">
    <input class="" type="text" value="test value3" /><input class="" type="text" value="test value4" />
  </fieldset>
  <input type="radio" name="test" onclick="disable('D3')" />
  <fieldset id="D3">
    <input class="" type="text" value="test value5" /><input class="" type="text" value="test value6" />
  </fieldset>
</form>