var docHt=500;
var timeout;
var news=true,tour=false,music=false,visual=false,store=false,media=false,contact=false,links=false,about=false;
var stopped=false;


function addStyleDef(objectID,styleName,newVal){
	var object = document.getElementById(objectID);
	object.style [styleName] = newVal;
}

function getDocHeight(doc){
  var docHt = 0, sh, oh;
  if (doc.height) docHt = doc.height;
  else if (doc.body) {
    if (doc.body.scrollHeight) docHt = sh = doc.body.scrollHeight;
    if (doc.body.offsetHeight) docHt = oh = doc.body.offsetHeight;
    if (sh && oh) docHt = Math.max(sh, oh);
  }
  if (docHt<=500){
    docHt=500;
  }
  return docHt;
}

function setIframeHeight(iframeName) {
  var iframeWin = window.frames[iframeName];
  var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
  if ( iframeEl && iframeWin ) {
    iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous  
    docHt = getDocHeight(iframeWin.document);
    // need to add to height to be sure it will all show
    if (docHt) iframeEl.style.height = docHt + 30 + "px";
  }
}

function loadIframe(iframeName, url) {
  if ( window.frames[iframeName] ) {
    window.frames[iframeName].location = url;   
    return false;
  }
  else{
	  setIframeHeight(iframeName);
  }
  return true;
}

function stopped(){
	if(stopped==true)
		return true;
	else
		return false;
}

function setstop(){
	stopped=true;
}

function unsetstop(){
	stopped=false;
}

function newshover(){
	allunhover();
	addStyleDef('newsmenu','visibility','visible');
	if(news==false) document.news.src='PD-Hover-News.gif';
	timeout = setTimeout("allunhover()",5000);
}

function tourhover(){
	allunhover();
	addStyleDef('tourmenu','visibility','visible');
	if(tour==false) document.tour.src='PD-Hover-Tour.gif';
	timeout = setTimeout("allunhover()",5000);
}

function musichover(){
	allunhover();
	addStyleDef('musicmenu','visibility','visible');
	if(music==false) document.music.src='PD-Hover-Music.gif';
	timeout = setTimeout("allunhover()",5000);
}

function visualhover(){
	allunhover();
	addStyleDef('visualmenu','visibility','visible');
	if(visual==false) document.visual.src='PD-Hover-Visual.gif';
	timeout = setTimeout("allunhover()",5000);
}

function storehover(){
	allunhover();
	addStyleDef('storemenu','visibility','visible');
	if(store==false) document.store.src='PD-Hover-Store.gif';
	timeout = setTimeout("allunhover()",5000);
}

function mediahover(){
	allunhover();
	addStyleDef('mediamenu','visibility','visible');
	if(media==false) document.media.src='PD-Hover-Media.gif';
	timeout = setTimeout("allunhover()",5000);
}

function contacthover(){
	allunhover();
	addStyleDef('contactmenu','visibility','visible');
	if(contact==false) document.contact.src='PD-Hover-Contact.gif';
	timeout = setTimeout("allunhover()",5000);
}

function linkshover(){
	allunhover();
	if(links==false) document.links.src='PD-Hover-Links.gif';
}

function abouthover(){
	allunhover();
	addStyleDef('aboutmenu','visibility','visible');
	if(about==false) document.about.src='PD-Hover-About.gif';
}

function allunhover(){
	addStyleDef('newsmenu','visibility','hidden');
	addStyleDef('tourmenu','visibility','hidden');
	addStyleDef('musicmenu','visibility','hidden');
	addStyleDef('aboutmenu','visibility','hidden');
	addStyleDef('visualmenu','visibility','hidden');
	addStyleDef('storemenu','visibility','hidden');
	addStyleDef('mediamenu','visibility','hidden');
	addStyleDef('contactmenu','visibility','hidden');
	if(news==false) document.news.src='PD-Neutral-News.gif';
	if(tour==false) document.tour.src='PD-Neutral-Tour.gif';
	if(music==false) document.music.src='PD-Neutral-Music.gif';
	if(visual==false) document.visual.src='PD-Neutral-Visual.gif';
	if(store==false) document.store.src='PD-Neutral-Store.gif';
	if(media==false) document.media.src='PD-Neutral-Media.gif';
	if(contact==false) document.contact.src='PD-Neutral-Contact.gif';
	if(links==false) document.links.src='PD-Neutral-Links.gif';
	if(about==false) document.about.src='PD-Neutral-About.gif';
	clearTimeout(timeout);
}
function setactive(x){
	allfalse();
	switch(x){
		case "news":
			news=true;
			document.news.src='PD-Selected-News.gif';
			break;
		case "tour":
			tour=true;
			document.tour.src='PD-Selected-Tour.gif';
			break;
		case "music":
			music=true;
			document.music.src='PD-Selected-Music.gif';
			break;
		case "visual":
			visual=true;
			document.visual.src='PD-Selected-Visual.gif';
			break;
		case "store":
			store=true;
			document.store.src='PD-Selected-Store.gif';
			break;
		case "media":
			media=true;
			document.media.src='PD-Selected-Media.gif';
			break;
		case "contact":
			contact=true;
			document.contact.src='PD-Selected-Contact.gif';
			break;
		case "about":
			about=true;
			document.about.src='PD-Selected-About.gif';
			break
		case "links":
			links=true;
			document.links.src='PD-Selected-Links.gif';
			break
		default:
			break;
	}


}
function allfalse(){
	news=false;tour=false;music=false;visual=false;store=false;media=false;contact=false;links=false;about=false;
	allunhover();
}