window.addEvent('domready', function () {

$('myElement').fade('hide'); //Fades "myElement" to 70% opacit
$('myElement').fade('in'); //Fades "myElement" out.
$('myElement').fade(1); //Fades "myElement" to 70% opacit

});

function pageFadeIn() {
alert('adas');
}