function get_cookie(Name) {
    var search = Name + "="
    var returnvalue = "";

    if (document.cookie.length > 0) {
	offset = document.cookie.indexOf(search)
	
	// if cookie exists
	if (offset != -1) { 
	    offset += search.length
	    // set index of beginning of value
	    end = document.cookie.indexOf(";", offset);
	    // set index of end of cookie value
	    if (end == -1) end = document.cookie.length;
	    returnvalue=unescape(document.cookie.substring(offset, end))
	}
    }
    return returnvalue;
}

function setFontSize(size){
    document.cookie="curFontSize="+size;
}

if(get_cookie("curFontSize")!=""){
    var currentSize = get_cookie("curFontSize");
}