var cur = 'expect'

function ro (name, no, home)
{
	if (cur!=name)
	{
		switch (home)
		{
		case 1:
			pre="../"
			mid="nav/"
			break;
		default:
			pre=""
			mid="nav/"
		}
		switch (no)
		{
		case 1:
			document.getElementById(name).src=pre + "img/" + mid + "ov_" + name + ".gif"
			break;
		default:
			document.getElementById(name).src=pre + "img/" + mid + "up_" + name + ".gif"
		}
	}
}

function cl (name, no, home)
{
	if (cur!=name)
	{
		switch (no)
		{
		case 1:
			if (name=='home')
			{
				document.location="../"
			}else{
				document.location=((home>0)?"":"../") + name + "/"
			}
			break;
		default:
			document.getElementById(cur).src="img/up_" + cur + ".gif"
			document.getElementById(name).src="img/dn_" + name + ".gif"
			document.getElementById('gal_title').src="img/gal_" + name + ".gif"
			document.gal.location="p_" + name + ".htm"
			cur = name
		}
	}
}

function run()
{
	resized()
}

function resized()
{
	var winW = 800, winH = 600;
	
	if (parseInt(navigator.appVersion)>3) {
	 if (navigator.appName=="Netscape") {
	  winW = window.innerWidth;
	  winH = window.innerHeight;
	 }
	 if (navigator.appName.indexOf("Microsoft")!=-1) {
	  winW = document.body.offsetWidth;
	  winH = document.body.offsetHeight;
	 }
	}
	if (winW < 875)
	{
		document.getElementById('back_left').width = 0
		document.getElementById('back_right').width = 0
	}else{
		document.getElementById('back_left').width = 36
		document.getElementById('back_right').width = 36
	}
}

function roll (index, act)
{
	switch (act)
	{
	case 1:
		document.getElementById("info" + index).src="../img/" + "ov_" + "info" + ".gif"
		break;
	default:
		document.getElementById("info" + index).src="../img/" + "up_" + "info" + ".gif"
	}
}