window.onload=function (){
    let cookies = document.cookie;
    let cookieValue=cookies.split('=');
    if(cookieValue[1]==='null' || localStorage.getItem('Theme')==='null'){
            document.getElementById('retro').setAttribute('disabled','false');
    }
    else if(cookieValue[1]==='Switch Ultra Theme'|| localStorage.getItem('Theme')==='Switch Ultra Theme'){
        document.getElementById('button').innerText="Switch Retro Theme";
        document.getElementById('retro').setAttribute('disabled','false');

    }
    else if(cookieValue[1]==='Switch Retro Theme'|| localStorage.getItem('Theme')==='Switch Retro Theme'){
     else if(cookieValue[1]==='Switch Ultra Theme'|| localStorage.getItem('Theme')==='Switch Ultra Theme'){
         document.getElementById('button').innerText="Switch Retro Theme";
         document.getElementById('retro').setAttribute('disabled','false');

        document.getElementById('button').innerText="Switch Ultra Theme";
        document.getElementById('retro').removeAttribute('disabled');
        document.getElementById('ultra').setAttribute('disabled','false');
        localStorage.setItem('Theme',select);

    }
    else if(select ==='Switch Ultra Theme'){
        document.getElementById('button').innerText="Switch Retro Theme";
        document.getElementById('ultra').removeAttribute('disabled');
        document.getElementById('retro').setAttribute('disabled','false');
        localStorage.setItem('Theme',select);
    }
     }
     else if(cookieValue[1]==='Switch Retro Theme'|| localStorage.getItem('Theme')==='Switch Retro Theme'){
         document.getElementById('button').innerText="Switch Ultra Theme";
         document.getElementById('ultra').setAttribute('disabled','false');
     }
 }
 document.getElementById('button').onclick= function(){
    let select = document.getElementById('button').innerText;
    if(select === 'Switch Retro Theme'){
        let d = new Date();
        days = 365;
        d.setTime(+ d + (days * 86400000)); //24 * 60 * 60 * 1000
        document.cookie="Theme ="+select+ "; expires=" + d.toGMTString()  + ";";
         document.getElementById('button').innerText="Switch Ultra Theme";
         document.getElementById('retro').removeAttribute('disabled');
         document.getElementById('ultra').setAttribute('disabled','false');
         localStorage.setItem('Theme',select);

     }
     else if(select ==='Switch Ultra Theme'){
        let d = new Date();
        days = 365;
        d.setTime(+ d + (days * 86400000)); //24 * 60 * 60 * 1000
        document.cookie="Theme ="+select+ "; expires=" + d.toGMTString()  + ";";
         document.getElementById('button').innerText="Switch Retro Theme";
         document.getElementById('ultra').removeAttribute('disabled');
         document.getElementById('retro').setAttribute('disabled','false');
         localStorage.setItem('Theme',select);
     }
  }
 //Function to mouse hovering affect.
 document.getElementById('button').onmouseover = function(){
    document.getElementById('button').style.borderRadius="25px";
    document.getElementById('button').style.width="180px";
    document.getElementById('button').style.height="45px";
    document.getElementById('button').style.marginTop="1px";

 }
 //Function to mouse out affect
 document.getElementById('button').onmouseout = function(){
    document.getElementById('button').style.borderRadius="25px";
    document.getElementById('button').style.width="150px";
    document.getElementById('button').style.height="30px";
    document.getElementById('button').style.marginTop="8px";

 }

 //This is the file where we handle the switching of the Themes.
 /*Author:- Akhil Gullapalli*/