// JavaScript Document
 function hide() {  

  var divs = document.getElementById('creds').getElementsByTagName('div');
  
  for ( i = 0; i < divs.length; i++) {
     divs[i].style.display = "none";
  }
  } 
  
function ReverseDisplay(d) {
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}