$(document).ready(function() {
	$('#menu_hometr:not(.selected)').mouseover(function(){$(this).css('background-position','0 0');})
		.mouseout(function(){$(this).css('background-position','0 -40px');});
	$('#menu_about:not(.selected)').mouseover(function(){$(this).css('background-position','-147px 0');})
		.mouseout(function(){$(this).css('background-position','-147px -40px');});
	$('#menu_portfolio:not(.selected)').mouseover(function(){$(this).css('background-position','-441px 0');})
		.mouseout(function(){$(this).css('background-position','-441px -40px');});
	$('#menu_news:not(.selected)').mouseover(function(){$(this).css('background-position','-294px 0');})
		.mouseout(function(){$(this).css('background-position','-294px -40px');});
	$('#menu_contact:not(.selected)').mouseover(function(){$(this).css('background-position','-588px 0');})
		.mouseout(function(){$(this).css('background-position','-588px -40px');});
});