$(document).ready(function() 
{  
  if (subnavt != null && subnavt.length > 0)
  {
    var navhtml = "<ul>";
    var scls = "";
    for (i=0;i<subnavt.length;i++)
    {
      if (subnavi == i)
      {
        scls = "submenuitemon";
      }
      else
      {
        scls = "submenuitem";
      }
 
      navhtml += "<li class='" + scls + "'><a href='/" + subnavu[i] + "'>" + subnavt[i] + "</a></li>";
    }   
    navhtml += "</ul>";
    
    $(".submenu").append(navhtml);
    $(".submenu").slideDown("slow");
  }    
});