$(document).ready(function() {
	$(".yor").hover(
	function(){
		$('#YOROffice').addClass("nt_officeYOR");
	},
	function(){
		$('#YOROffice').removeClass("nt_officeYOR");
	});
	$(".mid").hover(
	function(){
		$('#MIDOffice').addClass("nt_officeMID");
	},
	function(){
		$('#MIDOffice').removeClass("nt_officeMID");
	});	
	$(".ne").hover(
	function(){
		$('#NEOffice').addClass("nt_officeNE");
	},
	function(){
		$('#NEOffice').removeClass("nt_officeNE");
	});	
	$(".nw").hover(
	function(){
		$('#NWOffice').addClass("nt_officeNW");
	},
	function(){
		$('#NWOffice').removeClass("nt_officeNW");
	});	
	$(".sco").hover(
	function(){
		$('#NWOffice').addClass("nt_officeSCO");
	},
	function(){
		$('#NWOffice').removeClass("nt_officeSCO");
	});		
});