function swapImgRestore() { 
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { 
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
	var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function findObj(n, d) { 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function swapImage() { 
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function showHideLayers() {
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
	if (obj.style) { obj=obj.style	; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
	obj.visibility=v; }
}

function setStatus(msg) {
  status=msg;
  return true;
}

function bookmark() {
	title = document.title; 
	url = location.href;
	
	// IE Favorite
	if (document.all) { window.external.AddFavorite( url, title); }
	// Mozilla Firefox Bookmark
	else if (window.sidebar) { window.sidebar.addPanel(title, url,""); }  
	// Opera Hotlist
	else if(window.opera && window.print) { 
		var elem = document.createElement('a');
		elem.setAttribute('href',url);
		elem.setAttribute('title',title);
		elem.setAttribute('rel','sidebar');
		elem.click(); 
	}
	else alert("Please press Ctrl-D (PC) or Apple-D (Mac) to bookmark this page.");
}

function getMovie(movieName) {   
   if (navigator.appName.indexOf("Microsoft") != -1) return window[movieName];
   else return document[movieName];
}

function getPortfolioData() {
	getMovie("portfolio").setData(xmlSrc);	
}