Margins in UI.dialog

Margins in UI.dialog


Good Morning
I have this code:
Comun.CargarTelefono(capa, obj, function(res) {
$("#divDialogo").dialog({
title:"Telefono",
modal:true,
height: 230,
buttons: {
"Aceptar":function(){
oComun.AgregarTelefono($("#tlfCapa").val(), $
("#tlfObj").val());
},
"Cancelar":function(){
$("#divDialogo").dialog("close");
}
}
});
$("#divDialogo").html(res);
});
This code works fine in Firefox, but in IE 6 shows me a problem, the
content is moved to the left, leaving the hidden text by one third,
every time I open the dialog is more to the left until after about 4
times disappears.
why this happens?