title: Scroll from div to next div (different height)
body: <p>I have got page with 5 div's. My div's have different heigh (it's adaptive). How I can go to next div by mouse when I scroll half of the current div?</p>
  
  <p>I trying fullpage.js and onepage.js but it not working for me, because my div must be different height </p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>#first {
  width:100vw;
  height:700px;
  background-color:lightyellow;
  text-align:center;
  }
  
  #second {
  width:100vw;
  height:700px;
  background-color:lightblue;
  text-align:center;
  }
  
  #third {
  width:100vw;
  height:1000px;
  background-color:lightpink;
  text-align:center;
  }
  
  #fourht {
  width:100vw;
  height:1500px;
  background-color:lightgreen;
  text-align:center;
  }
  
  #fiveth {
  width:100vw;
  height:800px;
  background-color:lightgray;
  text-align:center;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div id="first"&gt;1 div&lt;/div&gt;
  &lt;div id="second"&gt;2 div&lt;/div&gt;
  &lt;div id="third"&gt;3 div&lt;/div&gt;
  &lt;div id="fourht"&gt;4 div&lt;/div&gt;
  &lt;div id="fiveth"&gt;5 div&lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>