// JavaScript Document
var http_request = false;
   
function makePOSTRequest(url, parameters) {
	 
	  document.getElementById('searching').style.visibility="visible";
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
     
      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	  http_request.setRequestHeader("Encoding", "utf-8");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
	
   }

   function alertContents() {
   		
      if (http_request.readyState == 4 ) {
         if (http_request.status == 200) {
		 	document.getElementById('searching').style.visibility="hidden";
            //alert(http_request.responseText);
            result = http_request.responseText;
			
			document.getElementById('dvResults').innerHTML = result;     

         } else 
		 {
		      alert('Un problème est survenue sur la requête.(Code: ' + http_request.status + ')'); 
			
         }
      }
   }