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

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

function EM_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=EM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById)
    x=d.getElementById(n);
  return x;
}

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