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 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_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];}
}

var scrolltimer = null;
var scrollobj = null;
var scrolldir = null;
var scrollspeed = null;
var scrollmax = null;
var scrolling = false;

function startScroll(obj, dir, speed, max_posn) {
  scrollobj = MM_findObj(obj);
  scrolldir = dir;
  scrollmax = parseInt(max_posn);
  scrollspeed = parseInt(speed);
  scrolling = true;
  scrolltimer = setTimeout("doScroll()", 30);
}

function stopScroll() {
  scrolling = false;
}

function doScroll() {
  if (scrolling) {
    var x_pos = parseInt(scrollobj.style.left);
    scrolltimer = null;
    if (scrolldir == 'left' && x_pos < 0) {
      scrollobj.style.left = (x_pos + (scrollspeed));
    } else if (scrolldir == 'right' && x_pos > -scrollmax) {
      scrollobj.style.left = (x_pos - (scrollspeed));
    }
    scrolltimer = setTimeout("doScroll()", 30);
  }
}

function portfolioclick(i,j) {
  var s = document.createElement('script');
  s.type = 'text/javascript';
  s.src = 'photo.php?id='+i+'&sub='+j;
  document.getElementsByTagName('head')[0].appendChild(s);
  return false;
}

function photoupdate(html) {
  var o = MM_findObj('pagecontent');
  o.innerHTML = html;
}

function descriptionupdate(html) {
  var o = MM_findObj('portfoliodescription');
  o.innerHTML = html;
}