function getMenu()
{
    var menu = getCookie("nav");  
    if(menu != null)
    {
        var ele = document.getElementById(menu);
        if(ele != null)
        {
            ele.className += "click";                  
        }
    }
}
function clickMenu(current) 
{    
    document.cookie = escape("nav") + "=" + escape(current) + "; path=/"; 
}
	
function getCookie(cookieName)
{
  var results = document.cookie.match ( cookieName + '=(.*?)(;|$)' );

  if (results)
    return ( unescape ( results[1] ) );
  else
    return null;
}