function clearDefault(el) {
	if (el.defaultValue==el.value) el.value = ""
}

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; }
}

    $(document).ready(function(){ 
        $('ul.popup-nav').superfish().find('ul').bgIframe({opacity:false});
        $('ul.popup-nav').superfish(
	    {animation:{opacity:'show',height:'show'},speed:150,dropShadows:false}
	);
    });