function teaserState(prefix) {
	var state = document.cookie.split(';');
	for (var i=0;i<state.length;i++) {
		var c = state[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		var parts=c.split('=');
		if (c.indexOf(prefix) == 9) {
			document.getElementById(parts[1]).style.display=parts[2];
			if (parts[2] == "block") {
				var id=parts[1].split('_');
				id="teaserHead_"+id[1];
				}
		}
	}
}