function show(oink) {
var barn=document.getElementById('col_top');
var pig;

try {pig=new XMLHttpRequest();}
catch (e) {
 try {pig=new ActiveXObject("Msxml2.XMLHTTP");}
 catch (e) {
  try {pig=new ActiveXObject("Microsoft.XMLHTTP");} 
  catch (e) {
   return true;
  }
 }
}
 
pig.onreadystatechange=function() {
 if(pig.readyState==4) {
  barn.innerHTML=pig.responseText;
 }
}
pig.open("post","/",true);
pig.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
pig.send("show="+oink);
return false;
}