function menu_menuclick(x)
{
if(x == 1)
window.location='./index.php'
else
if(x == 2)
window.location='./spec.php'
else
if(x == 3)
window.location='./cont.php'
else
if(x == 4)
window.location='./tarief.php'
else
if(x == 5)
window.location='./contact.php'
else
if(x == 6)
window.location='./links.php'
}