$(function(){
	  $(".nav li ").hover(function(){
		  $(this).children("span").addClass("hover");
		  $(this).children(".sub-pan").stop(true,true).slideDown(300);
		  },function(){
			   $(this).children("span").removeClass("hover");
			   $(this).children(".sub-pan").stop(true,true).slideUp(300);
			   });
	  });

if (document.getElementById){ 
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}
function SwitchMenu(obj){
if(document.getElementById){
var el = document.getElementById(obj);
var ar = document.getElementById("masterdiv").getElementsByTagName("span"); 
if(el.style.display != "block"){
for (var i=0; i<ar.length; i++){
if (ar[i].className=="submenu") 
ar[i].style.display = "none";
}
el.style.display = "block";
}else{
el.style.display = "none";
}
}
}