<!--
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}


function ventanaSecundaria (URL){ 
   window.open("mapatlanterra.htm","ventana1","width=601,height=481,scrollbars=NO") 
} 

function ventanaTerciaria (URL){ 
   window.open("mapacentro.htm","ventana2","width=601,height=539,scrollbars=NO") 
}