function nextSlide(aLocation) {
var displaylist=aLocation.split("?");
var displayarray=displaylist[1].split("&");
var newlocation=displayarray[1];
if(displayarray.length==1){
  window.opener.location="end.shtml";
  self.close();
  }
for(i=2;i<displayarray.length;i++){
   newlocation=newlocation+"&"+displayarray[i];
}
var filetype=displayarray[1].split(".");
if(filetype[1]=="jpg"){
  top.pics.document.location.href="picture.html?"+newlocation;
  }
  else {
   top.pics.document.location.href="video.html?"+newlocation;
       }
}