function sendForm(form, url, idCapa, label, grilla){
		 var inputFields = $(form).getElementsByTagName('INPUT'); 
		 var selectBoxes = $(form).getElementsByTagName('SELECT'); 
		 var textareas   = $(form).getElementsByTagName('TEXTAREA');
		 var hidden      = $(form).getElementsByTagName('HIDDEN');
		 var inputs      = new Array();
		 var get         = "";
		 var dato        = "";
	     //almacenamos los ids en un vector
		 for (i=0; i< inputFields.length; i++) inputs[inputs.length] = inputFields[i];
		 for (i=0; i< textareas.length;   i++) inputs[inputs.length] = textareas[i];  
		 for (i=0; i< selectBoxes.length; i++) inputs[inputs.length] = selectBoxes[i];
		 for (i=0; i< hidden.length; i++)      inputs[inputs.length] = hidden[i];
         //armado del get	
	     for (i=0; i<inputs.length; i++)
		      if (inputs[i].type!='button' && inputs[i].type!='submit' && inputs[i].type!='reset')
			      get += inputs[i].id+"="+inputs[i].value+"&";
		 
		//ajax
		$(idCapa).set('html', '<img src="img/load.gif" border="0"  />&nbsp;'+label);
		var myRequest = new Request({method: 'post', url: url,
									 onComplete: function(response) { 
                                            //alert(response);
											dato = response.split('|');											
											switch (dato[1]){
												    case 'info' : Alert.alert(dato[0]); break;
													case 'error': Alert.error(dato[0]); break;
											}
											$(idCapa).set('html', '&nbsp;');
											
											if (grilla!='')
												requestSimple('grilla', grilla, 'ajax=si', '<img src="img/load.gif" border="0"  />', 'Actualizando');
											
									}});
		if (!get)get='';							
		    myRequest.send(get);
			
		//retablecer formulario
		$(form).reset();
}

function login(idCapa){
		 var get = "";
		 get = 'login='+$('txtLogin').value+'&passw='+$('txtPassword').value;
		 $(idCapa).set('html', '<img src="img/load.gif" border="0"  />&nbsp;Iniciando Sesi&oacute;n.');
		 var myRequest = new Request({method: 'post', url: 'controladores/login.controlador.php',
									 onComplete: function(response) { 
                                            //alert(response);
											if (response == 'Ok')
											    inicio('index.php');
											else
											    Alert.error('Acceso Denegado.');
											
											$(idCapa).set('html', '&nbsp;');
									}});
		 if(!get)get='';							
		 myRequest.send(get);
		 foco('txtLogin');
}