var  navmenu, navstate, timerID ;
var nav1 = new Image(); nav1.src = "new_menu/images/nav1.gif";
var nav1over = new Image(); nav1over.src = "new_menu/images/nav1_f2.gif";
var nav2 = new Image(); nav2.src = "new_menu/images/nav2.gif";
var nav2over = new Image(); nav2over.src = "new_menu/images/nav2_f2.gif";
var nav3 = new Image(); nav3.src = "new_menu/images/nav3.gif";
var nav3over = new Image(); nav3over.src = "new_menu/images/nav3_f2.gif";
var nav4 = new Image(); nav4.src = "new_menu/images/nav4.gif";
var nav4over = new Image(); nav4over.src = "new_menu/images/nav4_f2.gif";
var nav5 = new Image(); nav5.src = "new_menu/images/nav5.gif";
var nav5over = new Image(); nav5over.src = "new_menu/images/nav5_f2.gif";
var nav6 = new Image(); nav6.src = "new_menu/images/nav6.gif";
var nav6over = new Image(); nav6over.src = "new_menu/images/nav6_f2.gif";

function swapin(navstate) {
	clearTimeout(timerID);
	document.image1.src = nav1.src;
	document.image2.src = nav2.src;
	document.image3.src = nav3.src;
	document.image4.src = nav4.src;
	document.image5.src = nav5.src;
	document.image6.src = nav6.src;


	if (navstate == "nav1") { document.image1.src = nav1over.src; navmenu = "menu1"; }
	if (navstate == "nav2") { document.image2.src = nav2over.src; navmenu = "menu2"; }
	if (navstate == "nav3") { document.image3.src = nav3over.src; navmenu = "menu3"; }
	if (navstate == "nav4") { document.image4.src = nav4over.src; navmenu = "menu4"; }
	if (navstate == "nav5") { document.image5.src = nav5over.src; navmenu = "menu5"; }
	if (navstate == "nav6") { document.image6.src = nav6over.src; navmenu = "menu6"; }
	document.getElementById('menu1').style.display = 'none';
	document.getElementById('menu2').style.display = 'none';
	document.getElementById('menu3').style.display = 'none';
	document.getElementById('menu4').style.display = 'none';
	document.getElementById('menu5').style.display = 'none';
	document.getElementById('menu6').style.display = 'none';
	if (navmenu == "menu1") {document.getElementById('menu1').style.display = '';}
	if (navmenu == "menu2") {document.getElementById('menu2').style.display = '';}
	if (navmenu == "menu3") {document.getElementById('menu3').style.display = '';}
	if (navmenu == "menu4") {document.getElementById('menu4').style.display = '';}
	if (navmenu == "menu5") {document.getElementById('menu5').style.display = '';}
	if (navmenu == "menu6") {document.getElementById('menu6').style.display = '';}
	navmenu = "none";
	}