// DIV Positionieren
function getPos(id, o, l) {
	show = getCookie('zettel' + id);
	if (show == 'closed') {
		hideDiv(id);
		return;
	}

	var iTop = o;
	var iLeft = l;

	iPosLeft = Math.floor((document.body.offsetWidth - 990) / 2) + iLeft;
	iPosTop = 120 + iTop;

	if (navigator.appName.substr(0, 9) == "Microsoft") {
		document.getElementById("zettel" + id).style.left = iPosLeft;
		document.getElementById("zettel" + id).style.top = iPosTop;
	} else {
		var map_add = document.getElementById("zettel" + id);
		var set_style = document.createAttribute("style");
		set_style.nodeValue = "position:absolute; left:" + iPosLeft
				+ "px; top:" + iPosTop + "px;";
		map_add.setAttributeNode(set_style);
	}
}
// DIV verstecken
function hideDiv(id) {
	document.getElementById('zettel' + id).style.display = 'none';
	setCookie('zettel' + id, 'closed', 1);
}
// Cookie setzen
function setCookie(c_name, value, expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value)
			+ ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
}
//Cookie lesen
function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1) {
			c_start = c_start + c_name.length + 1;
			c_end = document.cookie.indexOf(";", c_start);
			if (c_end == -1)
				c_end = document.cookie.length;
			return unescape(document.cookie.substring(c_start, c_end));
		}
	}
	return "";
}
function alleZettel() {
	for (i = 1; i < 6; i++) {
		if (document.getElementById('zettel' + i)) {
			document.getElementById('zettel' + i).style.display = 'visible';
			setCookie('zettel' + i, '', 'Thu, 01-Jan-70 00:00:01 GMT');
		}
	}
	location.reload();
}