var min=10;
var max=14;

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : "; expires="+exdate.toGMTString());
}

function getFsC()
{
s=getCookie('fsupdown');
if (s!=null && s!="")
  {
  document.getElementById('rahmenouter').style.fontSize = s+"px"
  }
}

function defaultFontSize() {
   var div = document.getElementById('rahmenouter');
   var s = 12;
     
   document.getElementById('rahmenouter').style.fontSize = s+"px"
   setCookie('fsupdown',s,2);
}

function increaseFontSize() {
   var div = document.getElementById('rahmenouter');
  
      if(document.getElementById('rahmenouter').style.fontSize) {
         var s = parseInt(document.getElementById('rahmenouter').style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=max) {
         s += 1;
      }
      document.getElementById('rahmenouter').style.fontSize = s+"px"
	  setCookie('fsupdown',s,2);
   }
function decreaseFontSize() {
   var div = document.getElementById('rahmenouter');
      if(document.getElementById('rahmenouter').style.fontSize) {
         var s = parseInt(document.getElementById('rahmenouter').style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=min) {
         s -= 1;
      }
      document.getElementById('rahmenouter').style.fontSize = s+"px"
	  setCookie('fsupdown',s,2);
   }