function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
}

function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

bfs = 1;
kontrastSS = false;

window.onload = function()
{
	ck_bfs = getCookie("bfs");
	bfs = ck_bfs?ck_bfs:bfs;
	if(bfs != 1)
	{
		document.body.style.fontSize = bfs + "em";
	}

}
function standard()
{
		bfs = 1;
		document.body.style.fontSize = 1 + "em";
		setCookie("bfs",1,null,"/","friesenheim.de");


}

function vergroessern(fak)
{
	bfs = parseFloat(bfs) + parseFloat(fak);
	
	if (bfs > 0.65)
	{
		if (bfs > 1.4)
		{
		document.body.style.fontSize = 1.4 + "em";
		bfs = 1.4;
		setCookie("bfs",1.4,null,"/","friesenheim.de");	
		}
		else
		{
			document.body.style.fontSize = bfs + "em";
			setCookie("bfs",Math.round(bfs * 10) / 10,null,"/","friesenheim.de");
		}
	}
	else
	{
		document.body.style.fontSize = 0.8 + "em";
		bfs = 0.8;
		setCookie("bfs",0.8,null,"/","friesenheim.de");
	}

}