// JavaScript Document
function tabs(content1, content2, content3, btn1, btn2, btn3) 
{
// Content show and Hide
document.getElementById(content1).style.display='block'
document.getElementById(content2).style.display='none'
document.getElementById(content3).style.display='none'
// For Active Buttons Style
document.getElementById(btn1).className='active';
document.getElementById(btn2).className='';
document.getElementById(btn3).className='';
}