function Show()
    {
        /* get the mouse left position */
        x = event.clientX + document.body.scrollLeft;
        /* get the mouse top position  */
        y = event.clientY + document.body.scrollTop + 15;
        /* display the pop-up */
        Popup.style.display="block";
        /* set the pop-up's left */
        Popup.style.left = x-15;
        /* set the pop-up's top */
        Popup.style.top = y;
    }
    
    function Hide()
    {
        /* hide the pop-up */
        Popup.style.display="none";
        Popup1.style.display="none";
        Popup2.style.display="none";
        Popup3.style.display="none";
        Popup4.style.display="none";
        Popup5.style.display="none";
        Popup6.style.display="none";
        Popup7.style.display="none";
        Popup8.style.display="none";
        Popup9.style.display="none";
        Popup10.style.display="none";
        Popup11.style.display="none";
         Popup12.style.display="none";
          Popup13.style.display="none";
           Popup14.style.display="none";
            Popup15.style.display="none";
             Popup16.style.display="none";
              Popup17.style.display="none";
               Popup18.style.display="none";
    }