#main_navigation {
	clear:both;
	}

#main_navigation li{
	float:left;
	width:124px;	
	list-style-type:none;
}
	
#main_navigation li a{
	padding-top:16px;
	text-align:center;
	height:33px;
	background-position:top;
	background-repeat:repeat-x;
	display:block;
}

#main_navigation li a:hover{background-position:50% -49px;}	
#main_nav_first:hover{background-position:left -49px!important;}	
#main_nav_last:hover{background-position:right -49px!important;}	


/* Making the buttons looked pushed down when you are on a particular page */
#home #home_nav a{background-position:50% -49px;}
#news #news_nav a{background-position:50% -49px;}
#podcasts #radio_nav a{background-position:50% -49px;}
#video #video_nav a{background-position:50% -49px;}
#discog #discog_nav a{background-position:50% -49px;}