function resizeQuadro(){
    var total = document.getElementsByTagName( 'div' ).length;
    
    for( i = 0; i < total; i ++ ){
        if( document.getElementsByTagName( 'div' )[i].className == 'quadro' ){
            document.getElementsByTagName( 'div' )[i].style.width = document.getElementsByTagName( 'div' )[i].getElementsByTagName('img')[0].offsetWidth + 18 + 'px';
            document.getElementsByTagName( 'div' )[i].style.height = document.getElementsByTagName( 'div' )[i].getElementsByTagName('img')[0].offsetHeight + 18 + 'px';
        }
    }
}