function fn_BloquearBotones ()
{
	document.getElementById ("tablaExterior").style.cursor = "wait";		

	document.getElementById ("btn_Buscar").style.cursor = "wait";
	document.getElementById ("btn_Buscar").disabled = true;

	document.getElementById ("btn_Ingresar").style.cursor = "wait";
	document.getElementById ("btn_Ingresar").disabled = true;
}

function fn_HabilitarBotones ()
{
	document.getElementById ("tablaExterior").style.cursor = "default";		

	document.getElementById ("btn_Buscar").style.cursor = "pointer";
	document.getElementById ("btn_Buscar").disabled = false;

	document.getElementById ("btn_Ingresar").style.cursor = "pointer";
	document.getElementById ("btn_Ingresar").disabled = false;
}