window.setTimeout(function () { fade("0", "0"); }, 10000);
		
		function fade(step, step_2) {
						
			document.getElementById("bild").style.display = "block";
			document.getElementById("bild").style.opacity = step*1;
			document.getElementById("bild").style.filter = "alpha(opacity=" + step_2 + ")"; // IE

            step = step + 0.05;
			step = step * 100;
			step = Math.round(step);
			step = step / 100;
			
			step_2 = step * 100;
		

            if (step <= 1) {
                window.setTimeout(function () { fade(step, step_2); }, 1);
            }
			else {
                window.setTimeout(function () { fadeBack("1", "100"); }, 10000);
            }
        }
		
		function fadeBack(step, step_2) {
						
			document.getElementById("bild").style.opacity = step*1;
			document.getElementById("bild").style.filter = "alpha(opacity=" + step_2 + ")"; // IE

            step = step - 0.05;
			step = step * 100;
			step = Math.round(step);
			step = step / 100;
			
			step_2 = step * 100;
		

            if (step >= 0) {
                window.setTimeout(function () { fadeBack(step, step_2); }, 1);
            }
			else {
				document.getElementById("bild").style.display = 'none';
                window.setTimeout(function () { fade("0", "0"); }, 10000);
            }
        }