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 darkenThumbnails(samples,exclude) {
   for (i=0; i<samples.length; i++) {
   		if (exclude != samples[i]) 	   MM_swapImage(samples[i],'','/images/doing_now/'+samples[i]+'_gray.jpg');
   }
}

function restoreThumbnails(samples) {
   for (i=0; i<samples.length; i++) {
		MM_swapImage(samples[i],'','/images/doing_now/'+samples[i]+'.jpg');
   }
}