var ni = document.getElementById('container');
var newdiv = document.createElement('div');
var divIdName = 'r1';
newdiv.setAttribute('id',divIdName);
newdiv.innerHTML = '<img src="images/main-rwp1.png">';
newdiv.style.position = 'absolute';
newdiv.style.top = '225px';
newdiv.style.left = '525px';  
newdiv.style.display = 'none';
ni.appendChild(newdiv);

newdiv = document.createElement('div');
divIdName = 'r2';
newdiv.setAttribute('id',divIdName);
newdiv.innerHTML = '<img src="images/main-rwp2.png">';
newdiv.style.position = 'absolute';
newdiv.style.top = '211px';
newdiv.style.left = '582px';  
newdiv.style.display = 'none';
ni.appendChild(newdiv);

newdiv = document.createElement('div');
divIdName = 'r3';
newdiv.setAttribute('id',divIdName);
newdiv.innerHTML = '<img src="images/main-rwp3.png">';
newdiv.style.position = 'absolute';
newdiv.style.top = '197px';
newdiv.style.left = '632px';  
newdiv.style.display = 'none';
ni.appendChild(newdiv);

function rs(rock) {
  var ni = document.getElementById(rock);
  ni.style.display = '';
}

function rh(rock) {
  var ni = document.getElementById(rock);
  ni.style.display = 'none';
}