function cargarValoresMaestros(select_pais, select_dest) { var pais = ""; var destino = ""; var posPais = 1; var posDesti = 1; select_pais.options[0]=new Option("...","0"); select_dest.options[0]=new Option("...","0"); for(i=0; i 1){ destino.options[0]=new Option("...","0"); }else{ h = 0; } for(a=0;a0) { for(a=0;a=0; a--) { destino.options[a] = null; } destino.selectedIndex = -1; } function hasOptions(obj) { if (obj!=null && obj.options!=null) { return true; } return false; } function existeValor(obj, valor) { for (var a=0; a