function prepareVideo() {
    var billboard = $('billboard'); 
    var overlay = $('overlay'); 
    var video = $('tour-video-large'); 
    var tour = $('tour'); 
    var close = $('close-video'); 
    
    billboard.addEvent('click', function(e){
        e.stop(); 
        overlay.setStyle('display', 'block'); 
        video.setStyle('display', 'block'); 
    }); 
    
    tour.addEvent('click', function(e){
        e.stop(); 
        overlay.setStyle('display', 'block'); 
        video.setStyle('display', 'block'); 
    }); 
    
    close.addEvent('click', function(e){
        e.stop(); 
        overlay.setStyle('display', 'none'); 
        video.setStyle('display', 'none'); 
    })
    
    overlay.addEvent('click', function(e){
        e.stop(); 
        overlay.setStyle('display', 'none'); 
        video.setStyle('display', 'none'); 
    })    
}

function displayVideoModal() {
    var video = $('tour-video-large'); 
}

window.addEvent('domready', function(){
    prepareVideo(); 
});