function navbar_left()
{
window.location.href='/blog';
}
function navbar_right()
{
window.location.href='/contact';
}
function navbar3()
{
window.location.href='/education';
}
function navbar2()
{
window.location.href='/media';
}
function navbar1()
{
window.location.href='/products/e-score';
}
function header_logo()
{
window.location.href='/';
}