function SetFontSize(pl)
{
	if(navigator.cookieEnabled == false)
		return true;
	else {
		var fz = get_csscookie();
		if(fz == 0)
			fz = 62,5;

		if(pl == '-' )
			fz = fz-10;
		if(pl == '+')
			fz = fz+10;

		if(fz<= 52.5)
			fz = 52.5;

		document.getElementById("gesamt").style.fontSize = fz+"%";
		set_csscookie(fz);
		return false;
	}
}