function CheckUsername() {
}
CheckUsername.prototype = new DXMLHttpRequestShell();
CheckUsername.constructor = CheckUsername;
CheckUsername.prototype.onLoad = function() {
    try {
        document.getElementById("username_unique").innerHTML = (this.getResponseText() == "free")?
            "(свободно)"
            :
            (this.getResponseText() == "exist")?
                "(заето)"
                :
                "(моля въведете име)"
        ;
        document.getElementById("username_unique").style.color = (this.getResponseText() == "free")? "green" : "red";
        document.getElementById("username_unique_loading").style.visibility = "hidden";
        //alert(this.getResponseText());
    } catch (e) {
        //alert(e.message)
    }
}
CheckUsername.prototype.check = function(value) {
    this.init();
    this.fastGetUrl("checkusername/" + value);
}