function getId(objectId){if(document.all && !document.getElementById){return document.all(objectId)}else{return document.getElementById(objectId)}}

/***********************************************
* Dynamic Ajax Content- � Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var bustcachevar=0 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
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))
getId(containerid).innerHTML=page_request.responseText
else
getId(containerid).innerHTML=''
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}


// IMAGE GALLERY NAVIGATION, BASED ON filenum GLOBAL VARIABLE
filenum = 1;
function updateGall(){// UPDATE IMAGE, CAPTION, AND NAVIGATION, DEPENDING ON filenum
	var extar=files[filenum].split("."); // get file extension
	var ext=extar[extar.length-1];
	var namear=files[filenum].split("/"); // get file name without path
	var fname=namear[namear.length-1];
	var fNameNoExt=fname.replace(ext,'');// file path without extension
	var caption=files[filenum].replace("/"+fname,'/hid-captions/'+fNameNoExt+'txt');
	
	if(/^(jpe?g|gif|png)$/i.test(ext)){ // if file is an image
		var newHtml = '<img src="'+files[filenum]+'" alt="'+fNameNoExt+'" id="mainImg">';
	}else if(/^(mov|mpe?g|avi)$/i.test(ext)){ // if file is a video
		var newHtml = '<OBJECT CLASSID="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" WIDTH="320" HEIGHT="256" CODEBASE="http://www.apple.com/qtactivex/qtplugin.cab"><PARAM name="SRC" VALUE="'+files[filenum]+'"><PARAM name="SCALE" VALUE="aspect"><embed src="'+files[filenum]+'" width="320" height="256" scale="aspect"></embed></OBJECT>';
	}else{
		var newHtml = '<p style="color:#999"><i>Sorry, this file type is not supported:</i> '+ext+'</p>';
	}
	getId("fileDisplay").innerHTML=newHtml; // change html for fileDisplay
	var o=getId("gallNav").getElementsByTagName("a");// highlight nav number in red
	for(var i=0;i<o.length;i++){if(i==filenum){o[i].className="selected";}else{o[i].className="bla";}}
	ajaxpage(caption, 'caption');// update caption
}
function imgGalNav(n,count){// SET filenum DEPENDING ON < 1 | 2 > NAV
	if(n<1){filenum=count}else if(n>count){filenum=1}else{filenum=n}
	var url = location.href;
	if(url.indexOf("#")!==-1){
		var imn=url.split("#");
		url=imn[0];
	}
	window.location = url+"#"+filenum;
	updateGall();
}
function setfilenum(){// SET filenum ON RELOAD IF URL CONTAINS ANCHOR (#4 LOADS 4TH IMAGE)
	var url = location.href;
	if(url.indexOf("#")!==-1){
		var imn=url.split("#");
		filenum=parseInt(imn[1]);
		updateGall();
	}
}