document.write('')
function nys(e){key=(document.all) ? e.keyCode : e.which;if ((key==33||key==34||key==35||key==36||key==37||key==38||key==39||key==40||key==41||key==42||key==43||key==44||key==46||key==47||key>57)){return false;}return true;}
function nysa(e){key=(document.all) ? e.keyCode : e.which;if ((key==39||key==58||key==59||key==60||key==61||key==62||key==63||key==91||key==93)){return false;}return true;}
function confirmar ( mensaje ) { return confirm( mensaje ); }
function show(nombreCapa){ document.getElementById(nombreCapa).style.visibility="visible"; }
function hide(nombreCapa){ document.getElementById(nombreCapa).style.visibility="hidden"; }
function openpopup(nombre,ancho,alto) { dat = 'width=' + ancho + ',height=' + alto + ',left=0,top=0,scrollbars=yes,resize=no'; window.open(nombre,'',dat); }
function link_popup(e,w,h,l,t) { features='width=' + w + ',height=' + h + ',left=' + l + ',top=' + t + ',scrollbars=yes,resize=no,menubar=0,toolbar=0'; window.open(e.getAttribute('href'), '', features); }
function addtobookmarks(Titulo,URL) {
if (navigator.appName=="Netscape") { window.sidebar.addPanel(Titulo,URL,""); }
if (navigator.appName=="Microsoft Internet Explorer"){ window.external.AddFavorite(URL,Titulo); }
}