function addComment(id){
  var nick=document.getElementById('cnick').value;
	var url=document.getElementById('curl').value;
	var comment=document.getElementById('ccomment').value;
	document.getElementById('checker').innerHTML = '<span style="color:blue;">posílám...</span>';
	sendRequest('http://blog.miliweb.net/addcomment.php',viewInPage,'nick='+nick+'&url='+url+'&id='+id+'&comment='+comment);
	function viewInPage(request){
			document.getElementById('checker').innerHTML = request.responseText;
	}
	return false;
}