// JavaScript Document
function show(){
inner_links.style.display="block"
}

function hide(){
inner_links.style.display="none"
}

function part5() {
var part5 = document.getElementById('part5');
if ( part5.className == 'video_box2' ) {
part5.className = 'video_box';
} else {
part5.className = 'video_box2';
}
}