// tabs inside the box which appears when, "view more" is clicked for any image.

function tab1(){
document.getElementById('tab1').className='active';
document.getElementById('tab2').className='null';
document.getElementById('tab3').className='null';

document.getElementById('content_1').style.display='block';
document.getElementById('content_2').style.display='none';
document.getElementById('content_3').style.display='none';
}

function tab2(){
document.getElementById('tab1').className='null';
document.getElementById('tab2').className='active';
document.getElementById('tab3').className='null';

document.getElementById('content_1').style.display='none';
document.getElementById('content_2').style.display='block';
document.getElementById('content_3').style.display='none';

}

function tab3(){
document.getElementById('tab1').className='null';
document.getElementById('tab2').className='null';
document.getElementById('tab3').className='active';

document.getElementById('content_1').style.display='none';
document.getElementById('content_2').style.display='none';
document.getElementById('content_3').style.display='block';

}