function show_hide_submenu (id) {
	var smenu1 = document.getElementById('submenu1');
	var smenu11 = document.getElementById('submenu11');
	var smenu2 = document.getElementById('submenu2');
	var smi1 = document.getElementById('smi1');
	var smi2 = document.getElementById('smi2');
	if (id == 1) {
		if (smenu2.style.display == 'block') {
			smenu2.style.display = 'none';
			smi2.style.opacity = '0.6';
		}
		if (smenu1.style.display == 'block') {
			smenu1.style.display = 'none';
			smenu11.style.display = 'none';
			smi1.style.opacity = '0.6';
		}
		else {
			smenu1.style.display = 'block';
			smenu11.style.display = 'block';
			smi1.style.opacity = '1';
		}
	}
	if (id == 2) {
		if (smenu1.style.display == 'block') {
			smenu1.style.display = 'none';
			smenu11.style.display = 'none';
			smi1.style.opacity = '0.6';
		}
		if (smenu2.style.display == 'block') {
			smenu2.style.display = 'none';
			smi2.style.opacity = '0.6';
		}
		else {
			smenu2.style.display = 'block';
			smi2.style.opacity = '1';
		}
	}	
}