// JavaScript Document
function videoSwitch(param) {
var _video = param;
var obj;
var title;
if(_video == 1) {
title = 'Introduction';
obj = ' ';
} else if(_video == 2) {
title = 'Do black holes "disappear" after they are formed? ';
obj = ' ';
} else if(_video == 3) {
title = 'Why the LHC experiments are not comparable to the collisions which occur in nature ';
obj = ' ';
} else if(_video == 4) {
title = 'General information about the LHC';
obj = ' ';
}
document.getElementById('vidtitle').innerHTML = title;
document.getElementById('videoholder').innerHTML = obj;
}