function popup(mypage, myname, w, h, scroll) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

prevSelId = 1;
imgArr = new Array;
imgArrIds = new Array;

function setImage(imageId){
	changeClass('thmb_'+prevSelId, 'thb');
	changeClass('thmb_'+imageId, 'thb_sel');
	prevSelId = imageId;
	ajaxpage('imagetext5445.html?id='+ imgArrIds[imageId], 'imageText');
	document['mpic'].src= imgArr[imageId];
}

function nextImage(){
	nextImg = prevSelId + 1;
	if(nextImg > imgCount){
		nextImg = 1;
	}
	setImage(nextImg);
}

function prevImage(){
	nextImg = prevSelId - 1;
	if(nextImg<=0){
		nextImg = imgCount;
	}
	setImage(nextImg);
}

function changeClass(Elem, myClass) {
	var elem;
	if(document.getElementById) {
		var elem = document.getElementById(Elem);
	}else if(document.all){
		var elem = document.all[Elem];
	}
	elem.className = myClass;
}

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var bustcacheparameter=""

function ajaxpage(url, containerid){
	var page_request = false
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
	page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else
	return false
	page_request.onreadystatechange=function(){
		loadpage(page_request, containerid)
	}
	if (bustcachevar) //if bust caching of external page
	bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

function loadpage(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
		document.getElementById(containerid).innerHTML=page_request.responseText;
	}
}