var pTimer_delay = 15000; // /1000 = seconds
var pTimer_offset = 5000; //additional wait for first page load - 3 seconds
var pTimer = null;
var pPath = 'portfolio/';
var randomnumber=Math.floor(Math.random()*pArr.length)
var currPort=randomnumber;

function showPortfolio(dir) {
	clearTimeout(pTimer);
	if (dir=='prev') {
		currPort--;
		if (currPort<0) {
			currPort=pArr.length-1;
		}
	} else {
		currPort++;
		if (currPort>(pArr.length-1)) {
			currPort=0;
		}
	}
	ajaxpage(currPort,'');
	if (!isPortPage) {
		pTimer = setTimeout('showPortfolio(\'next\')', pTimer_delay);
	}
}

function loadPortPage(pageName) {
	clearTimeout(pTimer);
	ajaxpage('',pageName);
	for (i=0;i<pArr.length;i++) {
		if (pageName==pArr[i]) {
			currPort=i;
		}
	}
	if (!isPortPage) {
		pTimer = setTimeout('showPortfolio(\'next\')', pTimer_delay);
	}
}

/***********************************************
* 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 loadedobjects="";
var rootdomain="http://"+window.location.hostname;

function ajaxpage(idx, pageName){

if (pageName=="") {
	url=pPath+pArr[idx];
} else {
	url=pPath+pageName;
}

containerid='digipop_portfolio_sample_wrapper';

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);
	}
	page_request.open('GET', url, 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;
}

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
		}
	}
}