function closem(){
document.getElementById('manways').style.display = 'none';
document.getElementById('sight').style.display = 'none';
document.getElementById('spray').style.display = 'none';

document.getElementById('accessories').style.display = 'none';

document.getElementById('round').style.display = 'none';
document.getElementById('oval').style.display = 'none';
document.getElementById('rectangle').style.display = 'none';
}
function closem2(){
document.getElementById('round').style.display = 'none';
document.getElementById('oval').style.display = 'none';
document.getElementById('rectangle').style.display = 'none';
}
function changeone(){
closem();
box = document.forms[1].selectone;
destination = box.options[box.selectedIndex].value;
if (destination) document.getElementById(destination).style.display = 'block'
}
function changetwo(){
closem2();
box2 = document.forms[1].selecttwo;
destination2 = box2.options[box2.selectedIndex].value;
if (destination2) document.getElementById(destination2).style.display = 'block'
}