var cnnINI;

//****************************** LOGIN *****************************************

function start_ajax_LOGIN()
{  var user=document.getElementById("frmLogin").user.value;
   var pass=document.getElementById("frmLogin").pass.value;
   var recordar=(document.getElementById("frmLogin").chkRecordar.checked)? 1:0;

   //---------------------------------------------------------------------------
   document.getElementById("answerLogin").innerHTML="";

   document.getElementById("frmLogin").user.disabled=true;
   document.getElementById("frmLogin").pass.disabled=true;
   document.getElementById("frmLogin").chkRecordar.disabled=true;
   document.getElementById("btnSubmit").disabled=true;

   document.getElementById("answerLogin").innerHTML="&nbsp;<b>Verificando...</b>";

   //---------------------------------------------------------------------------
   cnnINI=createXMLHttpRequest();
   cnnINI.open("POST","Login.ajax.php",true);
   cnnINI.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
   cnnINI.send("user="+user+"&pass="+pass+"&recordar="+recordar);

   cnnINI.onreadystatechange=function()
   {  if(cnnINI.readyState==4 && cnnINI.status==200)
	  {  var respuesta=cnnINI.responseText;

	     //alert("LA RESPUESTA\n\n"+respuesta);

		 switch(respuesta)
	     {  case "YES":document.getElementById("answerLogin").innerHTML="&nbsp;<b>Usuario v&aacute;lido</b>";

					   window.open(URLyRUTA+user.toLowerCase(),"_self");
					   break;

			case "NO": document.getElementById("answerLogin").innerHTML="&nbsp;<b>Usuario no v&aacute;lido</b>";
				       break;

			case "INH":document.getElementById("answerLogin").innerHTML="&nbsp;<b>Usuario Inhabilitado</b>";
				       break;
	     }

	     document.getElementById("frmLogin").user.disabled=false;
	     document.getElementById("frmLogin").pass.disabled=false;
	     document.getElementById("frmLogin").chkRecordar.disabled=false;
         document.getElementById("btnSubmit").disabled=false;
      }
   }
}