function BookmarkThis(page_url) {
	var ver = navigator.appName;
	var num = parseInt(navigator.appVersion);
	if( (ver == "Microsoft Internet Explorer")&&(num >= 4)) {
		window.external.AddFavorite(location.href,document.title);
	} else {
		alert("Sorry. Netscape users must bookmark the pages manually by hitting <Ctrl-D>");
	}
	return false;
}

var jsDOM0 = (document.all);
var jsDOM1 = (document.getElementById);
var jsDOM = jsDOM0 || jsDOM1;
var jsDebug = 0;

function getObj (name)
{
    if (typeof name == "object") return name;
    if (jsDOM1) return document.getElementById(name);
    if (jsDOM0) return eval('document.all.'+name);
    else return null;
}
	
function show(element)
{
	oMenu_1 = getObj('nav_1');
	oMenu_2 = getObj('nav_2');
	oMenu_3 = getObj('nav_3');
	oMenu_4 = getObj('nav_4');
	oMenu_5 = getObj('nav_5');
	oMenu_6 = getObj('nav_6');
	
	oMenu_1.style.display = 'none';
	oMenu_2.style.display = 'none';
	oMenu_3.style.display = 'none';
	oMenu_4.style.display = 'none';
	oMenu_5.style.display = 'none';
	oMenu_6.style.display = 'none';
	
	oMenu = getObj(element);
	oMenu.style.display = 'block';
}
// * * * slideshow * * *
var slideShowTimer;
var slideShowCurrent=0;
		
function slideShowRun(a) {
	wTop=document.all? (document.documentElement.scrollTop?document.documentElement.scrollTop:document.body.scrollTop) : pageYOffset;	

	document.getElementById('slideShow').style.top=(wTop+100)+"px"
	document.getElementById('slideShow').style.display='block'
	clearInterval(slideShowTimer);
	if (!a) a=slideShowPhotos[0][0]
	slideShowMove(a);
	slideShowTimer = setInterval(slideShowMove, 3000);
	temp = getObj ('slideShowPlay');
	temp.src = 'images/slide_show_play_i.gif';
	temp = getObj ('slideShowStop');
	temp.src = 'images/slide_show_stop.gif';
}

function slideShowStop() {
	clearInterval(slideShowTimer);
	temp = getObj ('slideShowPlay');
	temp.src = 'images/slide_show_play.gif';
	temp = getObj ('slideShowStop');
	temp.src = 'images/slide_show_stop_i.gif';
}

function slideShowMove(aa) {
	if (aa!=1 && aa!=-1) aa=1;
	if (aa==1 || aa==-1) {
		slideShowCurrent=slideShowCurrent-(-aa)
		if (slideShowPhotos.length<=slideShowCurrent) {
			slideShowCurrent=0;
		}
		if (slideShowCurrent<0) {
			slideShowCurrent=slideShowPhotos.length-1;
		}
	} else {
		for (var t in slideShowPhotos) {
			if (slideShowPhotos[t][0]==aa) {
				slideShowCurrent=t
			}
		}
	}
	document.getElementById('slideShowPhoto').style.display='none'
	document.getElementById('slideShowLoading').style.display='block'
	document.getElementById('slideShowPhoto').src="userfiles/"+slideShowPhotos[slideShowCurrent][0]
	document.getElementById('slideShow').style.display='block'
	document.getElementById('slideShowCaption').innerHTML=slideShowPhotos[slideShowCurrent][1]
}
// * * * /slideshow * * *