function postComment(idPost,tipo){
	
	result = document.getElementById('postResult');
		
	url = 'phpscript/postComment.php?id='+idPost;
	var error = "";
		
	var text = document.getElementById("reply_message").inputText.value;
		
	if(!validaLongitud(text, 0, 5, 5000)) error += "<li>Texto entre 5 y 5000 caracteres</li>";
		
	if(error != "") result.innerHTML = '<img src="images/icon_error.gif" border="0" align="absmiddle" />&nbsp;&nbsp;&nbsp; '+error;
	else {			
			
		result.innerHTML = '<img src="images/ajax_loader.gif" border="0" align="absmiddle" />&nbsp;&nbsp;&nbsp; Cargando...';
		
		text = ampersandCode(text);
		
		var ajax=nuevoAjax();
		ajax.open("POST", url, true);
		ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		ajax.send("text="+text);
			
		ajax.onreadystatechange=function(){
		
			if (ajax.readyState==4) result.innerHTML = ajax.responseText;
			else result.innerHTML = '<img src="images/icon_error.gif" border="0" align="absmiddle" />&nbsp;&nbsp;&nbsp; Error';
		}
	}
	
}