function markk(uid,comm)
{
var xmlHttp;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e)
      {
      alert("Browserul nu suporta AJAX!");
      return false;
      }
    }
  }
  
  
if (uid!="" && comm!="") {
	
var url = "/addcom.html";
var params = "u="+uid+"&comm="+comm;
xmlHttp.open("POST", url, true);

//Send the proper header information along with the request
xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlHttp.setRequestHeader("Content-length", params.length);
xmlHttp.setRequestHeader("Connection", "close");

xmlHttp.onreadystatechange = function() {//Call a function when the state changes.
	if(xmlHttp.readyState == 4 && xmlHttp.status == 200) {
		 document.getElementById('div_mark').innerHTML=xmlHttp.responseText;
	}
}


  xmlHttp.send(params);
  }
  }