var L='http://www.t-videa.cz/images/A0.jpg';
var D='http://www.t-videa.cz/images/A1.jpg';
        
  function star(id, i) 
  {
      return document.getElementById('star_'+id+'_'+i);
  }
  
  function hover(id, num) 
  {
      for (i=0;i<num;i++) 
      {
         star(id, i).setAttribute("src", L);
      }
      for (i=num;i<5;i++) 
            {
                star(id, i).setAttribute("src", D);
            }
  } 


function send_xmlhttprequest(obsluha, method, url, content, headers)
{
 if (window.XMLHttpRequest) {
 var xmlhttp = new XMLHttpRequest();
 } else if (window.ActiveXObject) {
 try {
 var xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (eror) {
 var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
 }
 }
 if (!xmlhttp) {
 return false;
 }
 xmlhttp.open(method, url);
 xmlhttp.onreadystatechange = function() {
 if (xmlhttp.readyState == 4) {
 if (xmlhttp.status == 200) {
 obsluha(xmlhttp, true);
 } else {
 obsluha(xmlhttp,false);
 }
 }
 };
 if (headers) {
 for (var key in headers) {
 xmlhttp.setRequestHeader(key, headers[key]);
 }
 }
 xmlhttp.send(content);
 return true;
}

function obsluha(xh,res) {
 var msg='';
 if (res) msg=xh.responseText;
 else msg='Chyba spojení';
 alert(msg);
}

function clearSearch(obj) {
    if (obj.value == "Hledat") {
        obj.value = "";
    }
}
function updateSearch(obj) {
    if (obj.value == "") {
        obj.value = "Hledat";
    }
}

function odeslat(data)
    {   
data.Submit.disabled = true;
data.Submit.value = "Čekejte prosím...";
return true;
   }