function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function fix(item){
  if(document.getElementById(item).className.indexOf('current') == -1){
    document.getElementById(item).style.backgroundPosition = '1px 0';
  }
}

function undofix(item){
  if(document.getElementById(item).className.indexOf('current') == -1){
    document.getElementById(item).style.backgroundPosition = '0 0';
  }
}


function fix2(item){
  if(document.getElementById(item)){
	if(document.getElementById(item).className==item+" prevcurrent"){ 
       document.getElementById(item).className=item+" prevcurrent2";
	}
    document.getElementById(item).style.backgroundPosition = '0px 27px';
  }
}

function undofix2(item){
  if(document.getElementById(item)){
	if(document.getElementById(item).className==item+" prevcurrent2"){ 
       document.getElementById(item).className=item+" prevcurrent";
	}
    document.getElementById(item).style.backgroundPosition = '0px 0px';
  }
}