function autoTab(element, nextElement) {
    if (element.value.length == element.maxLength && nextElement != null) {
        element.form.elements[nextElement].focus();
        element.form.elements[nextElement].select();
    
    }
}


function CheckDisable(element, nextElement) {
    if (element.value.length > 11 && nextElement != null) 
        document.getElementById(nextElement).disabled=true;
    else
        document.getElementById(nextElement).disabled=false;
    
        
}