function set_cookie(cookieName,cookieValue,nDays) {
		var today = new Date();
		var expire = new Date();
		if (nDays==null || nDays==0) 
			nDays=1;
		expire.setTime(today.getTime() + 3600000*24*nDays);
		document.cookie = cookieName+"="+escape(cookieValue)+ ";expires="+expire.toGMTString();
 //alert(cookieValue);
}

function get_cookie (name) { 
	var arg = name + "="; 
	var alen = arg.length; 
	var clen = document.cookie.length; 
	var i = 0; 
	while (i < clen) { 
		var j = i + alen; 
		if (document.cookie.substring(i, j) == arg) {
                        //alert(getCookieVal (j))
         		return getCookieVal (j); 
                }
		i = document.cookie.indexOf(" ", i) + 1; 
		if (i == 0) 
			break; 
	} 
	return 1; 	
} 

function getCookieVal (offset) { 
	var endstr = document.cookie.indexOf (";", offset); 
	if (endstr == -1) 
		endstr = document.cookie.length; 
	return unescape(document.cookie.substring(offset, endstr)); 
} 

function sidelast(){
    if(get_cookie('page_size') != null && get_cookie('page_size')!='1'){  
        
        document.body.style.fontSize=get_cookie('page_size');
    }else{
        //document.body.style.fontSize='1em';
    }  
  
}
   
function settstorrelse(storrelse){
    document.body.style.fontSize=storrelse;
    set_cookie('page_size',storrelse,1);
}