var fontsz, s;

//alert(document.cookie);
//s=getCookie("fontsz");
//if (s==null) s=1;
//alert(s);
//if (s.length>4) s.substr(0,4);
//fontsz=eval(s);

function SetText(val){
 obj=MM_findObj("container");
 //obj=document.body;
 if (obj!=null) {
    if (val!=0) fontsz=Math.round((fontsz+val)*10)/10; 
    //alert(fontsz+"em");
    if (fontsz>1.8) fontsz=1.8;
    if (fontsz<.7) fontsz=0.7;
    obj.style.fontSize = fontsz+"em";
    setCookie("fontsz", fontsz );
    window.status="Font set to: "+fontsz+"em";
 }
}


/**
 * Read the JavaScript cookies tutorial at:
 *   http://www.netspade.com/articles/javascript/cookies.xml
 */

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */

function setCookie(name, value, expires, path, domain, secure)
{   document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}
/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else    {        begin += 2;    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */

function deleteCookie(name, path, domain) {
    if (getCookie(name))
    {        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}