function ventana(url){window.open(url,"", "toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes,left=10, top=50,width=700,height=400");}
function ventana1(url){window.open(url,"", "toolbar=no,menubar=no,scrollbars=yes,resizable=yes,left=100, top=50,width=810,height=500");}
function ventana2(url){window.open(url,"", "toolbar=no,menubar=no,scrollbars=no,resizable=no,left=100, top=50,width=470,height=420");}
function ventana3(url){window.open(url,"", "toolbar=no,menubar=no,scrollbars=yes,resizable=yes,left=200, top=50,width=350,height=420");}