function show(){
document.getElementById('show1').style.display='block';
document.getElementById('photography').className='active';
}
function hide(){
document.getElementById('show1').style.display='none';
document.getElementById('photography').className='';
}

function show2(){
document.getElementById('hot').style.display='block';
document.getElementById('carier2').className='selected';
}
function hide2(){
document.getElementById('hot').style.display='none';
document.getElementById('carier2').className='';
}

function show3(){
document.getElementById('album').style.display='block';
document.getElementById('carier3').className='selected';
}
function hide3(){
document.getElementById('album').style.display='none';
document.getElementById('carier3').className='';
}