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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;

  MM_HideLayers('Layer1', 'Layer2','Layer3','Layer4','Layer5','Layer6','Layer7','Layer_7_1','Layer_7_2','Layer_7_3','Layer_7_4','Layer_7_5','Layer_7_6','Layer8','Layer9','Layer10'); // add your new layer here

  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(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 MM_HideLayers()
 { 
  var i,p,obj,args=MM_HideLayers.arguments;

  for (i=0; i<(args.length); i+=1)
  {
	 if ((obj=MM_findObj(args[i]))!=null) 
	 {
 	   obj.style.visibility='hidden';
 	  
	 }
  }
}