function showHideMAI(){
var mai = document.getElementById("mai");
var w = mai.offsetWidth;
mai.opened ? moveMAI(0, 30-w) : moveMAI(20-w, 0);
mai.opened = !mai.opened;
}
function moveMAI(x0, xf){
var mai = document.getElementById("mai");
var dx = Math.abs(x0-xf) > 10 ? 5 : 1;
var dir = xf>x0 ? 1 : -1;
var x = x0 + dx * dir;
mai.style.right = x.toString() + "px";
if(x0!=xf){setTimeout("moveMAI("+x+", "+xf+")", 10);}
}