function d_showmenu() {
	d = document.getElementById('d_lmenu');
	b = document.getElementById('b_showmenu');
	d.style.display = 'block';
	b.style.display = 'none';
}
function d_hidemenu() {
	d = document.getElementById('d_lmenu');
	b = document.getElementById('b_showmenu');
	d.style.display = 'none';
	b.style.display = 'block';
}

function show_comments() {
	d = document.getElementById('comm_block');
	d.style.display = 'block';
}

function show_comments_reg() {
	d = document.getElementById('comm_reg_block');
	d.style.display = 'block';
}