function menuOut(ind,pic){
	document.getElementById('subMenu'+ind).style.visibility='hidden';
	document.getElementById('menu'+ind).src=pic;
}
function menuIn(ind,pic){
	document.getElementById('subMenu'+ind).style.visibility='visible';
	document.getElementById('menu'+ind).src=pic;
}
function getToCenter(){
	document.getElementById("pageLayOut").style.marginLeft=screen.width/2-466+"px";
}