function request(url, result) 
{
var xmlHttp;
var where_result = result;
    if (window.ActiveXObject)
      {
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
    else if (window.XMLHttpRequest)
      {
      xmlHttp = new XMLHttpRequest();
      }

  xmlHttp.open("GET", url, true);
  xmlHttp.onreadystatechange= function()
    {
    if(xmlHttp.readyState == 4)
      {
      if(xmlHttp.status == 200) 
        {
        where_result.innerHTML = xmlHttp.responseText;
        }
      }
   }
  xmlHttp.send(null);
  
}

function potvrd(u, q)
  {
  var url = u;
  var question = q;
  var ano = confirm(question);
  if (ano)
    {
    window.location.href = url;
    }  
  }