<!--
function subMenu(show) {
	if (show){
	  document.getElementById('sub_menu').style.display = 'block';
	} else {
	  document.getElementById('sub_menu').style.display = 'none';
	}
}
function subMenu1(show) {
	if (show){
	  document.getElementById('sub_menu1').style.display = 'block';
	} else {
	  document.getElementById('sub_menu1').style.display = 'none';
	}
}
function subMenu2(show) {
	if (show){
	  document.getElementById('sub_menu2').style.display = 'block';
	} else {
	  document.getElementById('sub_menu2').style.display = 'none';
	}
}
function subMenu3(show) {
	if (show){
	  document.getElementById('sub_menu3').style.display = 'block';
	} else {
	  document.getElementById('sub_menu3').style.display = 'none';
	}
}


// -->