// JavaScript Document
function MM_showHideLayers(showhide) { //v9.0

  //var i,p,v,obj,args=MM_showHideLayers.arguments;

	if (showhide == 'hide') {
		document.getElementById("sub_div").style.visibility="hidden";
	} else {
		document.getElementById("sub_div").style.visibility="visible";
	}
 // 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; }
		
}