javascript advance number onclick or on reload

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I display a random div every time a webpage is reloaded using a simple function. This produces too many repeats because I only have seven divs.

<script type="text/javascript">
            randomNumber = Math.floor(Math.random()*3+1);  
            window.onload = function() {
               if (randomNumber == 1) {
                  document.getElementById("n1").style.display = "inline";
               }
               if (randomNumber == 2) {
                  document.getElementById("n2").style.display = "inline";
               }
      ...
     }
            }
    </script>

I would like to solve this by replacing the "random number" with a predictable "progressing number". Can I advance a variable with every reload or onclick and execute the function to display a different DIV?

I worry I would need cookies to do this with each individual visitor. Because the traffic is very low (likely one visitor at a time), perhaps I could use code from a page counter to achieve this.

I would be very appreciative of any and all suggestions. Thanks for your time.

asked 54 secs ago

user3283304

7

javascript advance number onclick or on reload