function showcat(tab){

    if(tab == "general"){
        document.getElementById("generalnews").style.display='block';
        document.getElementById("tripnews").style.display='none';
        document.getElementById("sightnews").style.display='none';
        
        document.getElementById("general").style.backgroundColor='#2e261c';
        document.getElementById("trip").style.backgroundColor='#443729';
        document.getElementById("sight").style.backgroundColor='#443729';
    }
    if(tab == "trip"){
        document.getElementById("generalnews").style.display='none';
        document.getElementById("tripnews").style.display='block';
        document.getElementById("sightnews").style.display='none';
        
        document.getElementById("general").style.backgroundColor='#443729';
        document.getElementById("trip").style.backgroundColor='#2e261c';
        document.getElementById("sight").style.backgroundColor='#443729';
    }
    if(tab == "sight"){
        document.getElementById("generalnews").style.display='none';
        document.getElementById("tripnews").style.display='none';
        document.getElementById("sightnews").style.display='block';
        
        document.getElementById("general").style.backgroundColor='#443729';
        document.getElementById("trip").style.backgroundColor='#443729';
        document.getElementById("sight").style.backgroundColor='#2e261c';
    }
    
}