function set10ycookie (name,value)
{
	var date = new Date();
	date.setTime (date.getTime()-1);
	// delete old versions 
	document.cookie = name+"="+escape(value)+"; expires="+date.toGMTString();
	// set new version with path=/
	date.setTime (date.getTime()+10*86400*1000);
	document.cookie = name+"="+escape(value)+"; expires="+date.toGMTString()+"; path=/";
}

function getcookie (name)
{
	if (document.cookie.length == 0) return "";
	var i=document.cookie.indexOf(name+"=");
	if (i>=0)
	{
		var end=document.cookie.indexOf(";",i+name.length+1);
		if (end == -1) end=document.cookie.length;
		return unescape(document.cookie.substring(i+name.length+1,end));
	}
	return "";
	
}


function bl_lim()
{
	// stupid MSIE fails ... if the value is not set explicitly, it
	// returns nothing
	var a=document.getElementById("bl1_id").value;
	set10ycookie("blaettern",a);
	document.forms["blaettern_form"].submit();
}


function bl_ui()
{
	var a=getcookie("blaettern");
	document.write('<br><nobr>Bl&auml;ttern: <select name=bl1_id id=bl1_id onchange="javascript: bl_lim();"><option value=5 '+(a == 5 ? 'selected' : '')+'>5<option value=10 '+(a == 10 || a == 0 ? 'selected' : '')+'>10</select>');
	document.write('</nobr>');
}