function showTest(){
var zip = document.getElementById('zipCode').value;
var beforetest = document.getElementById('beforetest'); 
var speedtest = document.getElementById('speedtest'); 

 if (zip.length == 5) {
 	
  beforetest.style.display = "none";
  speedtest.style.display = "block";
  }
 else {
 	
  speedtest.style.display = "none";
  beforetest.style.display = "block";
 	
 }
  
}