window.addEvent('domready',function() { 
        var startAnimation = $('welcomeanimation').setStyles({ 
                display:'block', 
                opacity: 0,
                width: 0,
                height:0
        }); 

       // in 1.2 

        new Fx.Morph(startAnimation, {duration:2000, onComplete: function() { 
                new Fx.Morph(startAnimation, {duration:5000}).start({opacity:0}); 
        }}).start({'opacity':0.7, 'width':900, 'height':30}); 


});