image_files = new Array("1-20136083.jpg",
						"2-19197376.jpg",
						"3-8769750.jpg",
						"4-13201796.jpg",
						"5-25836231.jpg",
						"6-26670867.jpg",
						"7-30173220.jpg",
						"8-2170472.jpg",
						"9-14166473.jpg",
						"10-1443651.jpg");

image_data  = new Array();

for (i = 0; i < image_files.length; i++)
{
	image_files[i] = "/images/fotolia/" + image_files[i];
	
	image_temp = new Image();
	image_temp.src = image_files[i];
	
	image_data.push( image_temp );
}

// Initialisieren
document.getElementById('bg-image-fade-1').style.backgroundImage = 'url(' + image_files[0] + ')';
document.getElementById('bg-image-fade-2').style.backgroundImage = 'url(' + image_files[1] + ')';
document.getElementById('bg-image-fade-2').style.opacity = 0.5;
document.getElementById('bg-image-fade-2').style.filter  = 'alpha(opacity=50)';

var OpacMin = -500; // 0;
var OpacMax =  100;
var ImageCount = 2;
var ImageSwitch = false;

var opacity  = (OpacMin / 10); // Startwert, damit man das Fading schneller sieht!
var intFader = null;

function IFBackgroundFade()
{
	opacity += 2;
	
	if (opacity >= OpacMax)
	{
		// Bild jetzt tausche
		document.getElementById('bg-image-fade-1').style.backgroundImage = document.getElementById('bg-image-fade-2').style.backgroundImage;
		document.getElementById('bg-image-fade-2').style.backgroundImage = 'url(' + image_files[ImageCount] + ')';
		
		opacity = OpacMin;
		
		ImageSwitch = true;
		
		ImageCount++;
		
		if (ImageCount >= image_files.length)
			ImageCount = 0;
	}
	
	if (opacity < 0)
		opacity_set = 0;
	else
	if (opacity > OpacMax)
		opacity_set = OpacMax;
	else
		opacity_set = opacity;
	
	
	document.getElementById('bg-image-fade-2').style.opacity = (opacity_set / 100);
	document.getElementById('bg-image-fade-2').style.filter  = 'alpha(opacity=' + opacity_set + ')';
}

intFader = window.setInterval("IFBackgroundFade()", 25);