<script type="text/javascript" src="jquery-1.3.2.min.js"></script>  

<script type="text/javascript">  

$(document).ready(function(){  

$("#shadow").css("height", $(document).height()).hide();  

$(".lightSwitcher").click(function(){  

$("#shadow").toggle();  

if ($("#shadow").is(":hidden"))  

$(this).html("Turn off the lights").removeClass("turnedOff");  

else  

$(this).html("Turn on the lights").addClass("turnedOff");  

});  

});  

</script>  

body {font-family:Arial, Sans-Serif; font-size:13px; text-align:center; margin:0px; position:relative;}  
  #container { width:960px; margin:0px auto; text-align:left; overflow:hidden; position:relative;}  
  #movie {border:solid 1px #dcdcdc; float:left; width:560px; text-align:left; margin-right:20px;}  
  #description { float:left; width:320px;border:solid 1px #dcdcdc; padding: 10px 20px;}  
  #command { position:relative; height:25px; display:block; margin: 25px 0 0 0;}  
  .lightSwitcher {position:absolute; z-index:101; background-image:url(light_bulb_off.png);  
  background-repeat:no-repeat; background-position:left; padding: 0 0 0 20px; outline:none; text-decoration:none;}  
  .lightSwitcher:hover {text-decoration:underline;}  
  #shadow {background-image:url(shade1x1.png); position:absolute; left:0; top:0; width:100%; z-index:100;}  
  .turnedOff {color:#ffff00; background-image:url(light_bulb.png);}  
  #clickHere {position:absolute; top: -25px; left:130px;}

<div id="container"></div>  

<div id="container">  
  <div id="command"><img src="click_here.png" alt="" id="clickHere" /><a class="lightSwitcher" href="#">Turn off the lights</a></div>  
   
  <div id="movie">  
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  <param name="movie" value="http://www.youtube.com/v/Mlahvvymkxc&hl=en&fs=1&color1=0x3a3a3a&color2=0x999999" />  
  <param name="allowFullScreen" value="true" />  
  <param name="allowscriptaccess" value="always" />  
  <embed src="http://www.youtube.com/v/Mlahvvymkxc&hl=en&fs=1&color1=0x3a3a3a&color2=0x999999"  
  type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="560" height="340">  
  </embed>  
  </object>  
  </div>  
  </div>  

<div id="shadow"></div>