// JavaScript Document
function schreibeCookie(name,wert,tage)
{
	var verfallsDatum = "";
	
	if(tage)
	{
		var datum = new Date();
		datum.setDate(datum.getTime()+(tage*24*60*60*1000));
		verfallsDatum = "; expires=" + datum.toGMTString();
	}
	
	document.cookie = name + "=" + wert + verfallsDatum +"; path =/";
}

function liesCookie(name)
{
	var cookies = document.cookie.split(';');
	var suchName = name + "="
	for(var i=0; i<cookies.length;i++)
	{
		var c = cookies[i];
		while (c.charAt(0)== ' ')
		{
			c = c.substring(1,c.length);	
		}
		if(c.indexOf(suchName) == 0)
		{
			return c.substring(suchName.length, c.length);
		}
	}
	return null;
}

function loescheCookie(name)
{
	schreibeCookie(name,"",-1);	
}