// 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].onMouseDown=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseUp=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 swap_tab(n){ 
for(var i=1;i<=6;i++){ 
var curC=document.getElementById("tab_"+i); 
var curB=document.getElementById("tab_t"+i); 
if(n==i){ 
curC.style.display="block"; 
}else{ 
curC.style.display="none"; 
} 
} 
}