var popup = window.createPopup();

function showPopup() 
  {
    var popupBody = popup.document.body;
    popupBody.innerHTML = techInfo;
    popupBody.style.backgroundColor = "gray";
    popupBody.style.border = "solid black 1px";
    popup.show(10, 10, 290, 170, document.getElementById("thePhoto"));
  }
  
function hidePopup()
  {
    popup.hide();
  }