Titanium.UI.setBackgroundColor('#000');

//creating the window
var win1 = Titanium.UI.createWindow({
    title:'win 1',
    backgroundColor:'#fff'
    });

 //add window - navigation bar
 var modalWin = Ti.UI.createWindow();

 //nav bar
 var navmodal = Ti.UI.iPhone.createNavigationGroup({
    window:modalWin
 });
 win1.add(navmodal);

 //button for the nav bar
 var b2t = Titanium.UI.createButton({
   title:'Launch'
});
 modalWin.RightNavButton = b2t;

 //button for the window
 var b1t = Titanium.UI.createButton({
   title:'Launch',
   height:40,
   width:200,
   top:270
});

 win1.add(b1t);

 //Setting up the documentviewer
 z = Ti.UI.iPad.createDocumentViewer({url:'Example.pdf'});

 //documentviewer with animation set on and a quicklook view poping up next to a view
 b1t.addEventListener('click', function()
 {
    z.show({animated:false,view:b2t});
 });

 //documentviewer with animation set off
 b2t.addEventListener('click', function()
 {
    z.show();
 });

 win1.open();

var interval = setInterval(function()
{
    z.hide();
    Ti.API.info('z has been closed');

    clearInterval(interval);
}, 5000);