/*=NAVIGATION PRIMARY - BASE STYLES
-------------------------------------------------------------------------------------------*/	
#navigation_primary {
height:50px;
width:800px;
margin:0 auto;
padding-top:100px;
}
#navigation_primary ul {
list-style: none;
padding: 0;
margin: 0;
}
#navigation_primary li {
float: left;
display: block;
height: 50px;
width: 150px;
background: url(../img/navi_sprite.png) 0 0 no-repeat;
}

/*=NAVIGATION PRIMARY - LIST ITEM - BACKGROUND POSITIONS
-------------------------------------------------------------------------------------------*/	
#navigation_primary li.one      				   { background-position: 0 0;	}
#navigation_primary li.two     			           { background-position: -150px 0; }
#navigation_primary li.three 				   { background-position: -300px 0; }
#navigation_primary li.four     			   { background-position: -450px 0; }	


#navigation_primary a {
display: block;
height: 50px;
width: 150px;
text-indent: -9999px;
background: url(../img/navi_sprite.png) 0 -100px no-repeat;
color:white;
}


	
/*=NAVIGATION PRIMARY - ANCHOR - DEFAULT BACKGROUND POSITIONS
-------------------------------------------------------------------------------------------*/
#navigation_primary li.one a 				   { background-position: 0 -100px;	}
#navigation_primary li.two a 				   { background-position: -150px -100px; }
#navigation_primary li.three a 			   { background-position: -300px -100px; }
#navigation_primary li.four a 				   { background-position: -450px -100px; }

		
/*=NAVIGATION PRIMARY - ANCHOR - HOVER BACKGROUND POSITIONS
-------------------------------------------------------------------------------------------*/
#navigation_primary li.one.hover a:hover 	   { background-position: 0 0; }
#navigation_primary li.two.hover a:hover 	   { background-position: -150px 0; }
#navigation_primary li.three.hover a:hover    { background-position: -300px 0;	}
#navigation_primary li.four.hover a:hover 	   { background-position: -450px 0;	}


/*=NAVIGATION PRIMARY - ANCHOR - CURRENT PAGE BACKGROUND POSITIONS
-------------------------------------------------------------------------------------------*/	
#one #navigation_primary li.one a	   		   { background-position: 0 -50px; }
#two #navigation_primary li.two a 		 	   { background-position: -150px -50px; }
#three #navigation_primary li.three a  		   { background-position: -300px -50px; }
#four #navigation_primary li.four a 		   { background-position: -450px -50px; }