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);