function check_server_connections(){ /* var extracted_code extracted_code=document.getElementById("adspace1").innerHTML; if (extracted_code.length<500) { alert("This calculator requires the Ads to be displayed !.\n\nMake sure ad-blocker is not active for this site and/or firewalls is not blocking spesific Google adresses !\nYou will be redirected back to main page."); window.location="http://www.satellite-calculations.com"; } */ }