if(window.attachEvent){
	window.attachEvent('onload', initFade);
} else if(window.addEventListener){
	window.addEventListener('load', initFade, false);
}

var interval;
var banner;
var step = 0.05;
var opacity = step;

function initFade(){
	banner = document.getElementById('ncdg_header');
	banner.style.filter = 'alpha(opacity:0)';
	banner.style.opacity = 0;

	setTimeout(startFadeIn, 1800);
}

function startFadeIn(){
	interval = setInterval(fadeIn, 50)	
}

function fadeIn(){
	opacity += step;
	banner.style.filter = 'alpha(opacity:' + (opacity * 100) + ')';
	banner.style.opacity = opacity;
	
	if(opacity >= 1){
		clearInterval(interval);
	}
}