//Betosoft

function NewWindow(mypage,myname,w,h,scroll,resi){
centerPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings =
'height='+h+',width='+w+',top='+TopPosition+',center='+centerPosition+',scrollbars='+scroll+',resizable='+resi+''
win = window.open(mypage,myname,settings,resi)

if(win.window.focus){win.window.focus();}
}
//
<!-- Hide
function moveover(txt) {
   window.status = txt;
   setTimeout("erase()",1000000);
}
function erase() {
   window.status="";
}

// null campo
var nav4 = window.Event ? true : true;
function numeros(evt){	
// NOTE: Backspace = 8, Enter = 13, '0' = 48, '9' = 57	
var key = nav4 ? evt.which : evt.keyCode;	
return (key <= 13 || (key >= 48 && key <= 57));
}
// numerico


// celda iluminadailuminacelda
function uno(src,color_entrada) { 
    src.bgColor=color_entrada;src.style.cursor="hand"; 
} 
function dos(src,color_default) { 
    src.bgColor=color_default;src.style.cursor="default"; 
} 
//muose
function derecha(e) {
if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2)){
alert('Botón derecho inhabilitado')
return false;
}

else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2)){
alert('Copyright Abril Natura')
}
}
document.onmousedown=derecha

// END OF LINE