// JScript File

function esNumero(e)
{
    var charCode = (e.which) ? e.which : event.keyCode
    
    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false;

    return true;
}

function esAlpha(e) 
{
    var charCode;
    document.all ? charCode = e.keyCode : charCode = e.which;

    return ((charCode > 64 && charCode < 91) || (charCode > 96 && charCode < 123) || charCode == 8 || charCode == 32);
}   

function limitarLongitudMaximaTextbox(objTextbox, intMaxLength)
{
    if (objTextbox.value.length > intMaxLength - 1)
    {
        objTextbox.value = objTextbox.value.substring(0, intMaxLength);
    }            
   
    return (objTextbox.value.length <= intMaxLength - 1);
}