var xmlHttp;
 var BaseURL  
 BaseURL = document.location
 var TS = new String(BaseURL)
 TS = TS.substr(7,3).toLowerCase()
 if (TS=="loc")
    BaseURL = "Http://Localhost/sk-swim/"
 if (TS=="www")
    BaseURL = "Http://www.Sk-swim.ir/"
 if (TS=="sk-")
        BaseURL = "Http://Sk-swim.ir/"