var rollover = new Array();
	var rolloff = new Array();
	
	var nav = new Array();
	
	var nav1 = new Image();
	var nav2 = new Image();
	var nav3 = new Image();
	var nav4 = new Image();
	var nav5 = new Image();
	
	// home
	nav1.src = "/furniture/topnav_home_on.gif";
	rollover[1] = nav1.src
	rolloff[1] = "/furniture/topnav_home_off.gif";
	// about
	nav2.src = "/furniture/topnav_about_on.gif";
	rollover[2] = nav2.src
	rolloff[2] = "/furniture/topnav_about_off.gif";
	// projects
	nav3.src = "/furniture/topnav_projects_on.gif";
	rollover[3] = nav3.src
	rolloff[3] = "/furniture/topnav_projects_off.gif";
	// services
	nav4.src = "/furniture/topnav_services_on.gif";
	rollover[4] = nav4.src
	rolloff[4] = "/furniture/topnav_services_off.gif";
	// contact
	nav5.src = "/furniture/topnav_contact_on.gif";
	rollover[5] = nav5.src
	rolloff[5] = "/furniture/topnav_contact_off.gif";
	
	function swapNav(thisid) {

	document.getElementById(thisid).src = rollover[thisid.substr(4,5)];
	
	}

	function swapBack(thisid) {
	
	document.getElementById(thisid).src = rolloff[thisid.substr(4,5)];

	}