// JavaScript Document
function menuFix() {
 var sfEls = document.getElementById("nav").getElementsByTagName("li");
 for (var i=0; i<sfEls.length; i++) {
  sfEls[i].onmouseover=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
 
  sfEls[i].onmouseout=function() {
  this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");

  }
 }
}
window.onload=menuFix;

function setTab(m,n){
var tli=document.getElementById("menu"+m).getElementsByTagName("li");
var mli=document.getElementById("main"+m).getElementsByTagName("div");
for(i=0;i<tli.length;i++){
   tli[i].className=i==n?"hover":"";
   mli[i].style.display=i==n?"block":"none";
}
}