function mouseOver(i) {
	document.getElementById("black_shadow").style.display="block";
	document.getElementById("child_navi"+i).style.display="block";
}
function mouseOut(i) {	
		document.getElementById("black_shadow").style.display="none";
		document.getElementById("child_navi"+i).style.display="none";
}
function menuMouseOver(i) {
	document.getElementById("black_shadow").style.display="block";
	document.getElementById("child_navi"+i).style.display="block";
}
function menuMouseOut(i) {
	document.getElementById("black_shadow").style.display="none";
	document.getElementById("child_navi"+i).style.display="none";
}