var hide = new Object();

$(document).ready(function () {
 hideMenu('1');
 hideMenu('2');
 hideMenu('3');
});

function toggle(name) {
 if (!hide[name]) {
  hideMenu(name);
 } else {
  showMenu(name);
 }
}

function showMenu(name) {
 $("#hide"+name).show();
 $("#button"+name).hide();
 hide[name] = false;
 $("#item"+name).css("height","120px");
 $(".menu"+name).css("margin-top","300px");
}

function hideMenu(name) {
 $("#hide"+name).hide();
 $("#button"+name).show();
 hide[name] = true;
 $("#item"+name).css("height","48px");
 $(".menu"+name).css("margin-top","372px");
}