function NewWindow(mypage, myname, h, w) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=0'+scroll+',resizable=0'
win = window.open(mypage, myname, winprops)}

var url = window.location.href;
var imgNum = url.substring(url.indexOf('image=') + 6);
var lgImages = new Array()

lgImages[0] = 'imgs/gall/room0.jpg'
lgImages[1] = 'imgs/gall/room1.jpg'
lgImages[2] = 'imgs/gall/room2.jpg'

var j = 0
var numImages=lgImages.length;


function showPic(){
	document.images.screenshot.src=lgImages[imgNum-1];
}




function switchImg(){
var mypage = 'slesscreens2.htm?image='+imgNum;
var myname = imgNum;
var w = 539;
var h = 440;
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=0,resizable=0';
win = window.open(mypage, myname, winprops);
window.close();
}
function nextImg(){
		imgNum++;
		if(imgNum==numImages+1){
			imgNum=1;
		}
		switchImg();
}