var menuids=new Array("nav") //Enter id(s) of UL menus, separated by commas
var submenuoffset=-17 //Offset of submenus from main menu. Default is -2 pixels.

function createcssmenu(){
  for (var i=0; i<menuids.length; i++){
    var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
    for (var t=0; t<ultags.length; t++){
      var spanref=document.createElement("span")
      spanref.className="arrowdiv"
      spanref.innerHTML="&nbsp;&nbsp;"
      ultags[t].parentNode.getElementsByTagName("a")[0].appendChild(spanref)
      ultags[t].parentNode.onmouseover=function(){
        this.getElementsByTagName("ul")[0].style.left=this.parentNode.offsetWidth+submenuoffset+"px"
        this.getElementsByTagName("ul")[0].style.display="block"
      }
      ultags[t].parentNode.onmouseout=function(){
        this.getElementsByTagName("ul")[0].style.display="none"
      }
    }
  }
}


if (window.addEventListener)
  window.addEventListener("load", createcssmenu, false)
else if (window.attachEvent)
  window.attachEvent("onload", createcssmenu)