// JavaScript Document
function laser()
{
document.getElementById("laser").style.display="block";
document.getElementById("technology").style.display="none";
document.getElementById("works").style.display="none";
}

function technology()
{
document.getElementById("laser").style.display="none";
document.getElementById("technology").style.display="block";
document.getElementById("works").style.display="none";
}

function works()
{
document.getElementById("laser").style.display="none";
document.getElementById("technology").style.display="none";
document.getElementById("works").style.display="block";
}