function ajaxFunction()
	{
		var ajaxRequest;
		try
			{
			// Firefox, Opera 8.0+, Safari
			ajaxRequest = new XMLHttpRequest();
			}
		catch (e)
			{
			// Internet Explorer
			try
				{
			    ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
			    }
			catch (e)
			    {
			    try
				    {
				    ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
				    }
			    catch (e)
				    {
				    alert("Browserul tau nu suporta AJAX!");
				    return false;
				    }
			    }
			}
	return ajaxRequest;
	}
	
	
	function doAjaxRequest(URL, parameters)
	{
		ajaxRequest.open("POST", URL, true);
		
		//Send the proper header information along with the request
		ajaxRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		ajaxRequest.setRequestHeader("Content-length", parameters.length);
		ajaxRequest.setRequestHeader("Connection", "close");
		
	 	ajaxRequest.send(parameters);
	}
	
	
	function submitComment()
	{
		// new ajax
		ajaxRequest = ajaxFunction();
		
		// parametri
		var nr_piesa = encodeURIComponent(document.addComment.nr_piesa.value);
		var user_id = encodeURIComponent(document.addComment.user_id.value);
		var comentariu = encodeURIComponent(document.addComment.comentariu.value);
		
		var parametri = "nr_piesa="+nr_piesa+"&user_id="+user_id+"&comentariu="+comentariu;
		
		// ajax request
		doAjaxRequest("http://www.forumazsmr.net/playlist/comment_list.php", parametri);
		
		ajaxRequest.onreadystatechange = function()
			{
	    	var done = 4;
			var ok = 200;
			if (ajaxRequest.readyState < 4)
				{
				document.getElementById('div_comment_list').innerHTML = "Asteptati...";
				}
	    	if (ajaxRequest.readyState == done && ajaxRequest.status == ok)
				{
	      		if (ajaxRequest.responseText)
					{
					// functia care contine scriptul ce tb executat
	        		scriptulDeExecutat(ajaxRequest);
	    			// END functia cu scriptul care tb executat
					}
	    		}
	  		};
	}
	
	
	function scriptulDeExecutat(ajaxRequest)
		{
		// document.myForm.time.value = ajaxRequest.responseText;
		
		document.getElementById('div_comment_list').innerHTML = ajaxRequest.responseText;
		}