function switchstyle(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = true;
       if(a.getAttribute("title") == title) a.disabled = false;
     }
   }
	document.cookie="fontsize" + "=" +escape(title)
}

function checkfont(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))
    var usesize = unescape(document.cookie.substring(c_start,c_end))
    switchstyle(usesize);
    } 
  }
return null
}

page_onload_do( function() { checkfont('fontsize'); } );