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

function initialize () {

	if (document.getElementById("event_frame")) {
		sliderobj3 = new slider("event",eventAnzahl,"",320);
	}

}

function show_uploaded_pics(prefix){

		//document.getElementById("uploadlinks").innerHTML = window.uploadframe.document.getElementById("uploadlinks_iframe").innerHTML;
		document.getElementById("thumb_container").innerHTML = window.uploadframe.document.getElementById("uploadthumb_iframe").innerHTML;
		//document.getElementById("uploadlink").innerHTML = window.uploadframe.document.getElementById("uploadlink_iframe").innerHTML;
		document.getElementById("kontaktform").anhang.value = window.uploadframe.document.getElementById("upload_pfad").innerHTML;
		document.getElementById("thumb_container").style.visibility = "visible";
}
var abstand = 50;
var abstand2= 50;
var opacity = 70;
var timeout = 20;
var abstandplus = 2.5;
function open_vorhang() {
		if (abstand > 0){
				abstand = abstand - abstandplus;
				abstand2= abstand2 + abstandplus;
/*
				if (abstandplus > 0.3) {
						abstandplus = abstandplus - 0.2;
				}*/
				if (abstandplus > 0.4){
						abstandplus = abstandplus * 0.9;
				}
				opacity = opacity - 3.5;
				//alert(abstand);
				if (opacity < 10){
					document.getElementById("overlay").style.display = "none";
				}
				document.getElementById("eingangsbutton").style.display = "none";
				document.getElementById("overlay_vorhang_links").style.right = abstand2 + "%";
				document.getElementById("overlay_vorhang_rechts").style.right = abstand + "%";
				document.getElementById("overlay").style.opacity = (opacity / 100);
				document.getElementById("overlay").style.filter = "alpha(opacity="+ (opacity / 100) + ")";
				
				//timeout = timeout * 1.3;
				setTimeout("open_vorhang()", timeout);
		} else {
				document.getElementById("vorhaenge").style.display = "none";
				document.getElementById("overlay").style.display = "none";
		}
}


function captcha_refresh(captcha, website, page) {
	var timestamp = null;

	if (typeof(captcha) !== 'object') {
		captcha = document.getElementById(captcha);
	}

	timestamp = new Date();

	if (captcha) {
		captcha.src = 'includes/captcha.php?website=' + website + '&page=' + page + '&tmp=' + (timestamp.getTime() / 1000);
	}
}