А этот колхоз уменьшается?
(parseInt(hosting.options[hosting.selectedIndex].value) >= 1) ? padej.innerHTML = 'а' : 0;
(parseInt(hosting.options[hosting.selectedIndex].value) >= 1) ? document.getElementById('padej').style.display = 'inline' : 0;
(parseInt(hosting.options[hosting.selectedIndex].value) == 0) ? document.getElementById('padej').style.display = 'none' : 0;
(parseInt(pages2.options[pages2.selectedIndex].value) < 0) ? padPage.innerHTML = 'ы' : 0;
(parseInt(pages2.options[pages2.selectedIndex].value) < 0) ? document.getElementById('padPage').style.display = 'inline' : 0;
(parseInt(pages2.options[pages2.selectedIndex].value) >= 0) ? document.getElementById('padPage').style.display = 'none' : 0;