var avatar_head = {

    defAvvy: "http://wimg.co.uk/ES8.png",

    set_avvy: function(){

        if(document.cookie.match(/dre_src=(.+?)(;|$)/)) {

            document.getElementById("dre_avvy").src = RegExp.$1;
        } else {
            document.getElementById("dre_avvy").src = this.defAvvy;
        }

        if(document.cookie.match(/dre_hgt=(.+?)(;|$)/)) {
            document.getElementById("dre_avvy").height = RegExp.$1;
        }

        if(document.cookie.match(/dre_wdh=(.+?)(;|$)/)) {
            document.getElementById("dre_avvy").width = RegExp.$1;
        }
    }
};

avatar_head.set_avvy();