Scratch Cookies

function setCookie(cname, cvalue, exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires="+d.toUTCString();
    document.cookie = cname + "=" + cvalue + "; " + expires;
} ;
function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i<ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1);
        if (c.indexOf(name) == 0) return c.substring(name.length,c.length);
    }
    return "";
} ;
(function(ext) {
    // Cleanup function when the extension is unloaded
    ext._shutdown = function() {};

    // Status reporting code
    // Use this to report missing hardware, plugin or unsupported browser
    ext._getStatus = function() {
        return {status: 2, msg: 'Ready'};
    };
    ext.save = function(thing, cookie){
        setCookie(cookie, thing, 99999999999999);
    };
    ext.read = function(that){
        return getCookie(that);
    };
    ext.delete = function(cookie){
        setCookie(cookie, '12', -10);
    };
    ext.installed = function(){
        var foo = true;
        return foo;
    };

    // Block and block menu descriptions
    var descriptor = {
        blocks: [
            [' ', 'save %s to cookie %s', 'save', 'thing', 'cookie1'],
            ['r', 'read cookie %s', 'read', 'cookie1'],
            [' ', 'delete cookie %s', 'delete', 'cookie1'],
            ['b', 'installed?', 'installed'],
        ],
        url: 'http://scratch.mit.edu/projects/40581194/'

    };

    // Register the extension
    ScratchExtensions.register('Cookies', descriptor, ext);
})({});