function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function swapImage(where,what) {
	if(document.images) {
	document.images[where].src = what; 
	}
}

function swapImages(where1,what1,where2,what2) {
	if(document.images) {
	document.images[where1].src = what1;
	document.images[where2].src = what2;
	}
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(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 showHideLayers() {
  var i, visStr, args, layerName;
  args = showHideLayers.arguments;
  for (i=0; i<(args.length-3); i+=4) { //with args (layerNameNS,layerNameIE,layerNameW3C,visStr)
    visStr = args[i+3];
    if (document.layers) {
      layerName = eval(args[i]);
      layerName.visibility = visStr;
    } else if (document.all) { //IE5
      if (visStr == "show") visStr = "visible";
      if (visStr == "hide") visStr = "hidden";
      layerName = eval(args[i+1]);
      layerName.style.visibility = visStr;
     } else if (!document.all && document.getElementById) { //SAFARI, NETSCAPE7, IE6
      if (visStr == "show") visStr = "visible";
      if (visStr == "hide") visStr = "hidden";
      layerName = eval(args[i+2]);
      layerName.style.visibility = visStr;
  	}
  }
}

//returns "test.gif"
//var getvalue=document.getElementById("myimage").getAttribute("src")
//image src is now "another.gif"
//document.getElementById("myimage").setAttribute("src","another.gif")

function updateNav() {
	var getprev=document.getElementById("navthbprev").getAttribute("href");
	var getnext=document.getElementById("navthbnext").getAttribute("href");
//	var urlprev=getprev
	document.getElementById("navthbprev").setAttribute("href",urlprev);
	document.getElementById("navthbnext").setAttribute("href",urlnext);
}

function preloadPortolio(url,p,i) { //l=div id, p=img id, i=img filename
	document.location.href = url;
	document.getElementById(p).src = i;
}

function updateInfo(c) {
	var caption = document.getElementById("pcpt");
	if (caption) {
		var captiont = document.getElementById("cpti")
		var wh = "prvcpt";
		var wa = "images/cpt_";
		wa += c;
		wa += ".gif";
		var ja = "swapImage('" + wh + "','" + wa + "')";
		var ja2 = "swapImage('" + wh + "','images/spacer.gif')";
		captiont.setAttribute('onMouseOver',ja);
		captiont.setAttribute('onMouseOut',ja2);
	}
}