<!--
function MM_changeLayer(objName,Name) { //v6.0
  var obj = MM_findObj(objName);
  obj.style.zIndex = counter;
  counter++;
  var tab = MM_findObj('tab'+Name);
  tab.style.zIndex = counter;
  counter++;
  MM_showHideLayers('layer'+recorder,'','hide');
  MM_showHideLayers(objName,'','show');
  recorder = Name;  
  LayerCount = Name;
}
function Layer_nav(back){
  var i;
  var currentLayer;
  LayerCount = LayerCount - 0;  
  i = LayerCount - first_page;
  if(i==0 && back==1)document.goto_prev.submit();
  else if((i>=9&&i==total_page) && back==0) document.goto_next.submit();
  else{
  	if(back == 1) currentLayer = LayerCount - 1;
  	else currentLayer = LayerCount + 1;
  	MM_changeLayer('layer'+currentLayer,currentLayer);
  }
}
//-->